AI Overview & Quick Answer: This study comprehensively details the application of the United States Federal Research and Development Tax Credit (IRC Section 41) and the Oklahoma State R&D Rebate Program (Senate Bill 324) within Tulsa’s industrial ecosystem. It highlights how businesses in aerospace, energy, advanced manufacturing, cybersecurity, and autonomous systems can successfully navigate the statutory four-part test and leverage these incentives to offset deep technological innovation costs. Strict, contemporaneous documentation of Qualified Research Expenses (QREs) is required for compliance.
United States Federal Research and Development Tax Credit Framework
The federal R&D tax credit, originally enacted in 1981, is codified under IRC Section 41. It provides a reduction in federal income tax liability for expenditures paid or incurred in the performance of qualified research. The legislative intent behind the statute is to encourage domestic businesses to invest in the development of new or improved products, processes, software, techniques, formulas, or inventions. The administration of this credit by the Internal Revenue Service (IRS) is notoriously strict, requiring contemporaneous documentation and strict adherence to statutory definitions.
The Statutory Four-Part Test for Qualified Research
The foundational core of the federal R&D tax credit is the statutory definition of “qualified research.” According to IRC § 41(d), and further elaborated upon in the IRS Audit Techniques Guide (ATG) for the Research Tax Credit, an activity must cumulatively satisfy a stringent four-part test, applied separately to each “business component” of the taxpayer.
The first requirement is the Section 174 Test, also known as the Permitted Purpose test. The expenditures associated with the research must be eligible for treatment as research and experimental expenses under IRC Section 174. This requires that the costs are incurred in connection with the taxpayer’s trade or business and represent research and development in the “experimental or laboratory sense”. Crucially, the activity must be intended to discover information that would eliminate objective uncertainty concerning the capability, method, or appropriate design for developing or improving a product or process. If the capability, method, and design are already known and established at the outset of the project, the activity fails this initial test.
The second requirement is the Discovering Technological Information Test. The research must be undertaken to discover information that is technological in nature. The process of experimentation used to discover this information must fundamentally rely on principles of the “hard sciences,” specifically physical sciences, biological sciences, engineering, or computer science. Research based on the social sciences, economics, psychology, or market research is explicitly disqualified under the statute.
The third requirement is the Business Component Test. The application of the research must be intended to be useful in the development of a new or improved business component. A business component is defined statutorily as any product, process, computer software, technique, formula, or invention that is to be held for sale, lease, license, or used by the taxpayer in their trade or business. The tests must be applied to the most granular level of the component possible, a doctrine known within IRS administration as the “shrinking-back rule.”
The fourth and final requirement is the Process of Experimentation Test. The statute dictates that “substantially all” of the research activities—defined by Treasury Regulations as 80 percent or more—must constitute elements of a process of experimentation. This process must be conducted for a qualified purpose, such as enhancing function, performance, reliability, or quality, rather than merely for cosmetic or stylistic changes. The IRS regulations articulate three core elements of this process: identifying the specific uncertainty regarding the development or improvement, identifying one or more alternatives intended to eliminate that uncertainty, and identifying and conducting a structured process of evaluating those alternatives through modeling, simulation, or systematic trial and error.
| Statutory Requirement | IRC Section Reference | Administrative Application (IRS ATG) | Documentation Standard |
|---|---|---|---|
| Section 174 Test | § 41(d)(1)(A) | Must seek to eliminate uncertainty regarding capability, method, or design. | Design specifications, project charters outlining technical unknowns. |
| Technological in Nature | § 41(d)(1)(B) | Must rely on hard sciences (engineering, physics, computer science). | Resumes of personnel, technical schematics, code repositories. |
| Business Component Test | § 41(d)(1)(B)(ii) | Must relate to a product, process, software, or formula held for sale or internal use. | Product catalogs, patent filings, internal architecture diagrams. |
| Process of Experimentation | § 41(d)(1)(C) | >80% of activities must evaluate alternatives to resolve the identified uncertainty. | Testing logs, simulation data, iterative failure studies, design revisions. |
Qualified Research Expenses (QREs) and Statutory Exclusions
If an activity successfully navigates the four-part test, the taxpayer may claim specific Qualified Research Expenses (QREs) under Section 41(b). The statute strictly defines QREs into three primary categories. The first category is Wages, encompassing taxable wages (as defined in Section 3401(a)) paid to employees for performing “qualified services”. Qualified services include engaging in direct research, the direct supervision of research, or the direct support of research. The second category is Supplies, representing amounts paid for tangible property consumed in the conduct of qualified research. This explicitly excludes land, depreciable property, and general administrative overhead. The third category is Contract Research, which allows taxpayers to claim 65 percent of amounts paid to third-party non-employees for the performance of qualified research on their behalf. However, the taxpayer must retain substantial rights to the research results and bear the economic risk of failure for these contract costs to be eligible.
Equally critical to understanding QREs is understanding the statutory exclusions codified in IRC Section 41(d)(4). The IRS heavily scrutinizes claims to ensure excluded activities are not bundled into QRE calculations. The most prominent exclusion is Research After Commercial Production. Any research conducted after a business component is ready for commercial use or meets its basic functional and economic requirements is disqualified. This includes troubleshooting, debugging, and trial production runs. Adaptation and Duplication are also excluded; adapting an existing business component to a particular customer’s requirement or reproducing an existing component from a physical examination (reverse engineering) does not constitute qualified research. Furthermore, efficiency surveys, management studies, market research, routine quality control testing, and research conducted outside the United States are statutorily barred from generating QREs.
Software developed primarily for the taxpayer’s internal operations faces a higher hurdle, known as the Internal-Use Software (IUS) exclusion. Unless the software is developed to be sold or licensed, it must meet an elevated “High Threshold of Innovation” test. This three-part test requires the software to be highly innovative, involve significant economic risk, and not be commercially available for the taxpayer’s use. Finally, the Funded Research exclusion dictates that research funded by any grant, contract, or other entity is excluded if the taxpayer does not retain substantial rights to the intellectual property or if payment is guaranteed regardless of the research’s success.
The Evolving Regulatory and Judicial Environment (2020-2025)
The administrative and judicial landscape surrounding the R&D tax credit has become increasingly stringent. The passage of the Tax Cuts and Jobs Act (TCJA) of 2017 mandated that, beginning in 2022, taxpayers could no longer immediately expense domestic R&E expenditures under Section 174, but were instead required to capitalize and amortize them over five years. This posed a severe cash-flow challenge to innovation-heavy firms. However, the legislative environment shifted again with the passage of the One Big Beautiful Bill Act (OBBBA) in July 2025, which introduced Section 174A, restoring the ability to immediately expense domestic R&E costs and providing retroactive relief mechanisms for eligible small businesses. Concurrently, the IRS overhauled reporting requirements by introducing Section G to Form 6765, mandating that taxpayers document their alignment with the four-part test on a strict, granular business-component basis, rather than utilizing high-level cost estimations.
Recent jurisprudence further underscores the heightened evidentiary burdens. In Little Sandy Coal Co., Inc. v. Commissioner (2021), the United States Tax Court denied a taxpayer’s R&D credit claim because the company failed to prove that at least 80% of the research activities followed a structured process of experimentation. The court emphasized that simply designing and building a first-in-class asset does not automatically equate to a process of experimentation; taxpayers must produce contemporaneous documentation demonstrating the iterative evaluation of alternatives. In Phoenix Design Group, Inc. v. Commissioner (2024), the Tax Court ruled against an engineering design firm, determining that the taxpayer failed to identify specific, objective technological uncertainties prior to beginning their research, noting that standard professional engineering challenges do not constitute uncertainty under Section 41. Finally, in Meyer, Borgman & Johnson, Inc. v. Commissioner (2024), the Eighth Circuit upheld the denial of credits based on the funded research exclusion, ruling that contractual payments tied to the delivery of standard design documents—rather than the technological success of experimental research—render the research funded and ineligible.
Oklahoma State Research and Development Tax Incentives
While the federal credit provides a unified national baseline, the state-level incentive landscape in Oklahoma has undergone significant restructuring over the last decade, transitioning from a liability offset model to a direct cash rebate model designed to better serve pre-revenue innovators. Understanding this evolution is critical for enterprises operating in Tulsa.
The Legacy Framework: 68 O.S. § 2357.4 Investment/New Jobs Tax Credit
Historically, Oklahoma provided a dedicated Research and Development Income Tax Credit under 68 O.S. § 2357.6, as well as a new jobs credit under the Oklahoma Research and Development Incentives Act (68 O.S. § 54006). However, the primary state-level R&D credit expired in 2013 and was officially repealed in 2014. For the subsequent decade, Oklahoma was one of a minority of states lacking a direct analog to the federal IRC § 41 credit.
During this interim, innovation-driven companies in Tulsa largely relied on the broader Oklahoma Investment/New Jobs Tax Credit, codified at 68 O.S. § 2357.4. This statute allows a credit against the state corporate income tax for either an investment in qualified depreciable property used in manufacturing or data processing, or for a net increase in full-time-equivalent employees. The standard credit is calculated as the greater of 1% of the cost of qualified depreciable property or $500 per new employee. For substantial investments exceeding $40 million, these rates double to 2% or $1,000 per employee. While this framework proved highly beneficial to capital-intensive aerospace manufacturers and heavy industrial firms investing in large Tulsa-based facilities, it was fundamentally misaligned with the needs of software startups and early-stage autonomous systems developers. These firms often lack massive physical capital investments or immediate corporate income tax liabilities, rendering the non-refundable credit largely inaccessible.
The Modern Framework: Senate Bill 324 and the 2025 R&D Rebate Program
Recognizing the competitive disadvantage of lacking a direct, liquid R&D incentive, the Oklahoma Legislature enacted Senate Bill 324 during the 2025 regular session. Codified at 74 O.S. § 5091, this landmark legislation created the Oklahoma Research and Development Rebate Fund and established a modern, expenditure-based incentive program administered by the Oklahoma Department of Commerce.
Unlike a traditional non-refundable tax credit applied against income tax liability, the SB 324 program is structured as a direct cash rebate, representing a paradigm shift that highly favors pre-profit deep-tech firms. Under 74 O.S. § 5091, eligible establishments can claim a rebate equal to 5% of their “qualified research expenditures” (QREs) incurred specifically within the state of Oklahoma. The statute achieves administrative efficiency by strictly cross-referencing the federal framework; applicants must derive their claim by extracting the Oklahoma-apportioned expenses from their federal IRS Form 6765, specifically relying on line 9 or line 28 (or the relevant lines for the applicable tax year).
| Administrative Component | SB 324 Statutory Provision (74 O.S. § 5091) | Impact on Tulsa Enterprises |
|---|---|---|
| Rebate Rate | 5% of in-state Qualified Research Expenditures. | Provides direct capital injection based on payroll and localized supply costs. |
| Federal Conformity | QREs defined strictly by federal Form 6765 alignment. | Reduces state-level audit friction; relies on federal four-part test compliance. |
| Program Cap | Total claims capped at $20,000,000 per fiscal year. | Requires urgent, timely application to secure funds before depletion. |
| Proration & Carryover | Allows proration or carry-forward of unpaid claims if the fund is exhausted. | Stabilizes long-term ROI expectations for multi-year experimental projects. |
| Eligibility Prerequisite | Must maintain “Good Standing” with the Oklahoma Tax Commission. | Necessitates flawless compliance with corporate, franchise, and sales tax filings. |
The administrative execution of the SB 324 program contains a critical contingency. While the program was legally established and the Department of Commerce mandated an application window from August 28, 2025, through December 31, 2025, the legislature has not yet appropriated capital to the actual Rebate Fund. Consequently, while applications are evaluated for completeness, claims cannot be financially processed until an appropriation occurs. Once funded, claims will be honored on a strict first-come, first-served basis, subject to the $20 million annual cap. Establishments must apply through an online portal, supplying a notarized attestation, a copy of the filed federal Form 6765, and an Agreement for Potential Participation.
Tulsa’s Industrial Ecosystem: Applied Tax Case Studies
The efficacy of federal and state R&D tax incentives is best understood through their application within specific industrial domains. Tulsa’s economic geography provides a rich tapestry of interwoven industries. The immense capital generated by early 20th-century petroleum discoveries funded the civic infrastructure required to attract World War II aerospace manufacturing. The engineering talent pool cultivated by the aerospace and petroleum sectors subsequently catalyzed the late 20th-century growth of advanced thermal manufacturing. Today, this legacy infrastructure provides the operational testing grounds for cutting-edge cybersecurity and autonomous systems. The following subsections detail the historical development of five foundational industries in Tulsa and present analytical case studies demonstrating how companies within these sectors navigate the complex R&D tax credit landscape.
Aerospace, Aviation, and Maintenance, Repair, and Overhaul (MRO)
The prominence of the Greater Tulsa Region in the global aerospace industry is a direct legacy of national defense mobilization during the Second World War. In 1941, the United States War Department selected Tulsa, owing to its protected inland geography and robust existing energy infrastructure, as the site for Air Force Plant No. 3. Operated by the Douglas Aircraft Company, this massive, windowless assembly facility employed thousands of Oklahomans and manufactured vital military aircraft, including B-24 Liberator bombers, A-24 Dauntless dive bombers, and A-26 Invaders. Following the cessation of hostilities, the highly specialized workforce and the immense physical infrastructure remained intact.
Recognizing the value of this concentrated human and physical capital, American Airlines made a strategic decision in 1946 to relocate its primary maintenance base from New York’s LaGuardia Airport to the Tulsa International Airport. Today, the American Airlines Maintenance and Engineering Center in Tulsa stands as the largest commercial aircraft MRO (Maintenance, Repair, and Overhaul) facility in the world, spanning 3.3 million square feet across 330 acres and employing thousands. This massive anchor institution, operating alongside major aerospace manufacturers such as NORDAM, L3Harris, and Spirit AeroSystems, has cultivated a dense, highly sophisticated ecosystem of precision machining, avionics repair, and composite material engineering within northeast Oklahoma.
Case Study: Navigating Exclusions in MRO Component Redesign
Consider the theoretical case of Tulsa Aero-Structures, a mid-sized aerospace engineering firm located near the Tulsa International Airport, specializing in the design and fabrication of aftermarket composite structural components for legacy commercial aircraft. The firm is contracted by a major cargo airline to develop a lighter, more heat-resistant thrust reverser for an aging fleet model where the Original Equipment Manufacturer (OEM) parts are obsolete. The design requires the integration of novel carbon-fiber-reinforced polymers (CFRP) to withstand extreme thermal cycling.
To qualify for the federal IRC § 41 credit, the firm must systematically apply the four-part test. First, under the Section 174 test, the firm faces objective uncertainty regarding whether the new CFRP matrix will delaminate under standard operational thermal loads, as the material properties differ entirely from the original aluminum component. Second, the research is technological in nature, relying heavily on the hard sciences of materials science and aerospace engineering. Third, the result is a new business component—the aftermarket thrust reverser held for commercial sale. Finally, the firm engages in a process of experimentation by conducting systematic thermal stress testing in their Tulsa laboratory, iteratively adjusting the resin curing temperatures and fiber layups until the delamination threshold exceeds Federal Aviation Administration (FAA) safety requirements.
However, MRO activities are highly susceptible to IRS scrutiny regarding statutory exclusions. The IRS frequently examines whether such activities violate the duplication (reverse engineering) or adaptation exclusions. Tulsa Aero-Structures must document that they are not merely reproducing the OEM part from blueprints. Because the OEM part utilized aluminum and the new part requires a fundamentally different composite matrix necessitating novel aerodynamic and thermal thermodynamic redesigns, it escapes the duplication exclusion. Furthermore, following the precedent established in Meyer, Borgman & Johnson, the firm’s contract with the cargo airline must be strictly evaluated against the funded research exclusion. The contract must be structured as a “fixed-price” agreement where payment is explicitly contingent upon the successful FAA certification of the newly designed part, ensuring the firm bears the economic risk of failure. Under the Oklahoma SB 324 program, the W-2 wages paid to the engineers conducting the iterative thermal tests at the Tulsa facility, along with the cost of the raw composite materials consumed in testing, constitute in-state QREs eligible for the 5% cash rebate.
Energy and Midstream Oil & Gas Operations
Tulsa’s global identity as the “Oil Capital of the World” was forged at the dawn of the 20th century. While the state’s petroleum era commenced with the 1897 Nellie Johnstone No. 1 well near Bartlesville, it was the discovery of the Glenn Pool oilfield on November 22, 1905, that fundamentally altered Tulsa’s trajectory. Drilled by Robert Galbreath and Frank Chesley on the farm of Ida E. Glenn just south of Tulsa, the well tapped into a massive reservoir of light, sweet crude. At its peak, the Glenn Pool field produced over 100,000 barrels a day, dwarfing previous discoveries and making Oklahoma the leading oil-producing entity in the world by the time of statehood in 1907. This unprecedented wealth attracted legendary oilmen such as J. Paul Getty and Harry Ford Sinclair, and by the 1920s, Tulsa served as the corporate headquarters for hundreds of petroleum companies.
While global upstream exploration eventually decentralized, Tulsa successfully pivoted and retained its dominance in the midstream sector—the highly complex engineering domain concerned with the processing, storing, and transporting of energy. Today, Fortune 500 energy giants such as ONEOK and Williams Companies remain headquartered in Tulsa, managing vast continental pipeline networks. Modern midstream R&D has evolved far beyond simple extraction, focusing on computational fluid dynamics, cryogenic processing, and the integration of clean energy technologies like hydrogen transport.
Case Study: Midstream Processing and the Mineral Exploration Exclusion
Consider Mid-Continent Flow Tech, a theoretical Tulsa-based engineering firm servicing major midstream pipeline operators. The firm is tasked with designing a proprietary, continuous-flow cryogenic separation process to isolate high-purity helium from raw natural gas streams at existing fractionation plants, aiming to increase yield by 15% without increasing the energy consumption of the compressor stations.
Applying the federal requirements, the Section 174 test is met because objective uncertainty exists regarding the optimal pressure and temperature thermodynamics required to achieve the target yield without causing hydrate blockages in the pipeline infrastructure. The research relies on the hard sciences of chemical engineering and thermodynamics, satisfying the technological in nature test. The business component is the development of a new cryogenic separation process for use in their trade or business. The process of experimentation involves the utilization of advanced computational fluid dynamic (CFD) modeling software to simulate varying pressure and temperature scenarios before constructing a physical pilot skid for empirical testing.
In the energy sector, the IRS aggressively applies the Mineral Exploration exclusion found in IRC Section 41(d)(4), which explicitly bars research related to ascertaining the existence, location, extent, or quality of oil or gas deposits. Mid-Continent Flow Tech must carefully segregate these midstream processing costs from any upstream exploration costs. Because the research relates entirely to the chemical and thermodynamic processing of the gas after extraction, it cleanly escapes this exclusion. However, following the strict documentation standards established in Little Sandy Coal Co., the firm must retain the CFD model logs, failure studies from early simulations, and meeting notes detailing the technical hypothesis adjustments made between iterations to prove that 80% of the activity was genuinely experimental. The costs of the localized CFD engineering hours and the tangible supplies consumed in the Tulsa-based physical pilot skid can be aggregated on federal Form 6765 to claim the Oklahoma 5% rebate under 74 O.S. § 5091.
Advanced Manufacturing and HVAC Machinery
Tulsa’s robust advanced manufacturing sector is a direct industrial descendant of its historical energy infrastructure. In the mid-20th century, companies servicing the refineries, such as the John Zink Company, pioneered the heavy manufacturing of combustion equipment, industrial flares, and complex thermal oxidizers. This cultivated a deep regional expertise in thermodynamics, heavy sheet metal fabrication, and heat exchange technology. This specialized knowledge base naturally transferred into the commercial Heating, Ventilation, and Air Conditioning (HVAC) manufacturing sector.
In 1988, Norman H. Asbjornson orchestrated a management buyout of the air conditioning division of the John Zink Company, founding AAON in Tulsa. Rather than competing in the high-volume, commoditized residential market, AAON focused its engineering efforts on highly configurable, semi-custom commercial rooftop units prioritizing energy recovery and thermal performance. This strategic focus on complex, customized machinery spurred the growth of a localized, highly specialized supply chain encompassing heat exchanger coil manufacturers, electrical component suppliers, and precision metal fabricators. Today, this ecosystem, bolstered by entities like the Oklahoma Manufacturing Alliance, positions Tulsa as a premier national hub for advanced industrial machinery, evidenced by recent massive investments from companies like Enel North America and Whirlpool Corporation.
Case Study: Delineating R&D from the Commercial Production Exclusion
Consider Green Country Thermal Solutions, an industrial HVAC manufacturer in Tulsa specializing in dedicated outdoor air systems (DOAS). The company is developing a new line of DOAS units that integrate a novel desiccant dehumidification wheel combined with a low-Global Warming Potential (GWP) refrigerant compressor, aiming to meet strict new federal decarbonization mandates for hyper-scale data centers.
The engineering team faces Section 174 uncertainty regarding how the low-GWP refrigerant’s altered specific heat capacity will interact with the regeneration cycle of the desiccant wheel under extreme humidity loads. The research relies on mechanical engineering and psychrometrics, and the resulting business component is a new commercial product line. The process of experimentation involves designing and testing multiple prototype heat exchanger coil geometries within a specialized psychrometric environmental chamber to map moisture removal efficiency against energy consumption.
For manufacturing firms, the greatest tax compliance risk is the Commercial Production exclusion. The IRS ATG strictly forbids claiming expenditures incurred after a product meets its basic functional and economic requirements. Green Country Thermal Solutions must draw a rigid chronological boundary. The wages of the mechanical engineers iteratively testing the prototypes within the psychrometric chamber are eligible QREs. However, once the final design is validated and approved for the catalog, the wages of the manufacturing engineers conducting “tooling up” for the assembly line, running trial production batches, and performing routine quality control inspections are strictly excluded.
This scenario highlights a strategic application of overlapping state incentives. The company could utilize the legacy Oklahoma Investment/New Jobs Credit (68 O.S. § 2357.4) to offset the multi-million dollar capital expenditure of constructing the new psychrometric testing laboratory. Concurrently, they could apply for the SB 324 R&D Rebate (74 O.S. § 5091) to recover 5% of the ongoing wage and supply QREs incurred by the scientists operating within that facility, as the state statutes generally permit the concurrent use of these incentives provided the exact same dollar is not double-counted.
Cybersecurity and Information Assurance
Tulsa’s emergence as a formidable hub for cybersecurity and information technology is fundamentally tethered to academic foresight at the University of Tulsa (TU). Anticipating the massive vulnerabilities inherent in the rapid digitization of the energy and aerospace sectors, TU established the Center for Information Security (CIS) in 1996. By 2000, the university’s curriculum was among the first in the nation to be certified under all five federal Committee on National Security Systems Standards, leading to its designation as one of the original 14 National Centers of Academic Excellence in Cyber Defense by the National Security Agency (NSA).
This early academic dominance, led by pioneering research in digital forensics, critical infrastructure protection, and security engineering through the Institute for Information Security (iSec) and later the School of Cyber Studies, created a highly specialized talent pipeline. In recent years, civic and philanthropic organizations, notably the George Kaiser Family Foundation (GKFF) through its Tulsa Innovation Labs (TIL) initiative, have heavily capitalized on this talent pool. By providing seed capital and facilitating commercialization pathways through entities like the Oklahoma Cyber Innovation Institute (OCII), Tulsa has fostered a dense, high-growth cluster of deep-tech cybersecurity startups.
Case Study: Software Development and the Internal Use Software (IUS) Exclusion
Consider Route 66 Cyber Defense, a rapidly scaling software startup based in downtown Tulsa developing advanced threat intelligence platforms. The company is actively coding a proprietary, machine-learning-driven heuristic algorithm designed to detect anomalous command injections specifically within Supervisory Control and Data Acquisition (SCADA) networks utilized by regional petroleum refineries.
The technological uncertainty under Section 174 lies in training the algorithm to reliably distinguish between legitimate, routine maintenance commands and sophisticated, zero-day cyber intrusions, with a target false-positive rate below 0.1%. The activity relies fundamentally on the principles of computer science and complex algorithmic data structures. The business component is the software platform itself. The process of experimentation involves iteratively training the machine learning model against vast, proprietary datasets of simulated network traffic, adjusting nodal weights, and rigorously evaluating the detection accuracy against alternative algorithmic models.
Software development is subject to unique and intense IRS scrutiny, primarily through the Internal Use Software (IUS) exclusion. If Route 66 Cyber Defense initially built this software solely to protect their own internal enterprise servers or HR systems, it would be classified as IUS. Under Treasury Regulations, IUS is only eligible for the R&D credit if it meets a highly restrictive “High Threshold of Innovation” test: the software must be highly innovative (resulting in substantial cost reduction or operational speed), its development must involve significant economic risk where success is highly doubtful, and the software cannot be commercially available for the taxpayer’s intended use. However, because Route 66 Cyber Defense can produce contemporaneous documentation—such as business plans, investor pitch decks, and beta licensing agreements—proving their intent from the project’s inception was to commercially license the platform to third-party refinery operators, the project escapes the burdensome IUS classification entirely. The software development wages, which represent the vast majority of QREs in the tech sector, can be aggregated on Form 6765 to generate a substantial claim for the Oklahoma 5% rebate under SB 324, providing critical non-dilutive capital to the pre-profit startup.
Autonomous Systems and Drones (Advanced Air Mobility)
The newest and arguably most transformative pillar of Tulsa’s industrial strategy represents a deliberate synthesis of its historical aerospace manufacturing legacy and its modern cybersecurity capabilities. Recognizing the strategic economic imperative to pivot from traditional crewed aviation toward advanced uncrewed systems, the region secured a monumental victory in 2023 when the U.S. Economic Development Administration (EDA) designated Tulsa as a national “Tech Hub”—specifically, the Tulsa Hub for Equitable and Trustworthy Autonomy (THETA).
Led by Tulsa Innovation Labs and subsequently backed by a $51 million federal EDA implementation grant in 2024, THETA’s mandate is to establish Tulsa as the global epicenter for the research, development, testing, and advanced manufacturing of secure autonomous systems. This includes the rapid expansion of unique physical assets like the Skyway Range, a 20,000-square-foot drone testing facility and massive beyond-visual-line-of-sight (BVLOS) flight corridor established in collaboration with the Osage Nation. Combined with deep academic research partnerships through the Oklahoma Aerospace Institute for Research and Education (OAIRE) at Oklahoma State University, Tulsa provides an unparalleled regulatory and physical environment for autonomous experimentation.
Case Study: Integrating Hardware and Software in Experimental Flight
Consider Osage Autonomous, an early-stage robotics startup operating primarily out of the Skyway Range testing facility. The firm is developing an autonomous, solar-powered drone swarm system capable of conducting continuous, BVLOS inspections of natural gas pipelines across rural Oklahoma. The drones utilize onboard edge-computing to process high-resolution thermal imagery and detect microscopic methane leaks without any human intervention.
This project presents profound Section 174 uncertainties spanning both hardware and software. The hardware uncertainty involves maintaining aerodynamic stability and maximizing flight duration under the added weight of edge-computing processors and experimental solar cells. The software uncertainty involves developing a secure, low-latency, encrypted mesh-network communication protocol between the swarm drones to prevent mid-air collisions while operating outside of standard cellular network coverage. The process of experimentation is highly complex and multi-tiered, involving initial wind-tunnel testing for the airframe, simulated virtual environments for testing the swarm logic, and finally, iterative physical flight tests at the Skyway Range where telemetry and crash data are analyzed to refine the collision-avoidance algorithms.
From a tax compliance perspective, the IRS often scrutinizes the boundary between experimental prototyping and the construction of depreciable commercial assets. Osage Autonomous must meticulously ensure that the costs of building the final, fully functional physical drones utilized for commercial delivery are excluded from their QREs. Only the material costs associated with building the expendable prototypes that were intentionally pushed to failure, crashed, or dismantled during the evaluation process at the Skyway Range can be legally claimed as supply QREs. Additionally, the startup frequently contracts with faculty researchers at Oklahoma State University (OSU) for advanced sensor calibration. Under IRC § 41(b)(3), the firm must apply the statutory 65% limitation to these university contract payments when calculating their QREs, provided the startup retains the ultimate intellectual property rights generated by the research. For a capital-intensive, pre-revenue firm like Osage Autonomous, the ability to utilize the federal R&D credit to offset up to $500,000 against employer payroll taxes, combined with the direct 5% cash reimbursement under the Oklahoma SB 324 rebate program, fundamentally accelerates their path to commercialization.
Strategic Tax Administration and Compliance Directives
The convergence of the retroactive expensing restoration under the federal One Big Beautiful Bill Act (OBBBA) and the implementation of Oklahoma’s SB 324 cash rebate program presents an unprecedented financial opportunity for Tulsa-based enterprises. However, both the IRS and the Oklahoma Tax Commission (OTC) maintain rigorous, highly data-driven enforcement environments that penalize retroactive estimations.
Beginning in tax year 2025, the IRS fundamentally altered Form 6765 by mandating the completion of “Section G” for taxpayers exceeding specific revenue and credit thresholds. This section requires taxpayers to abandon high-level, departmental cost estimations and instead document their R&D activities on a strict, granular business-component basis. Taxpayers in Tulsa must now contemporaneously map every W-2 wage dollar, specific supply invoice, and 1099 contract payment to a specific, identifiable project (e.g., mapping exact hours to the “CFRP Thrust Reverser Redesign” rather than generally to the “Engineering Department”). The documentation must detail the specific uncertainty faced in that component, the exact process of experimentation utilized, and segregate wages by direct performance, supervision, and support.
Furthermore, as demonstrated in the Meyer, Borgman & Johnson ruling, aerospace, manufacturing, and engineering firms in Tulsa performing contract work must proactively align their legal contracting and tax compliance operations. To legally claim the R&D credit on contracted work, master service agreements, statements of work, and purchase orders must explicitly place the economic risk of technical failure on the taxpayer. Contracts structured broadly as “time and materials” or those utilizing standard professional performance guarantees are highly vulnerable to complete disallowance under the funded research exclusion.
For the state rebate under 74 O.S. § 5091, the procedural threshold requires absolute, comprehensive compliance with the OTC. Because the program legally requires applicants to be in “good standing,” a minor delinquency in state franchise taxes or a clerical error in sales tax remittance can result in the immediate rejection of an otherwise flawless R&D rebate application. Furthermore, because the $20,000,000 state fund is allocated strictly on a first-come, first-served basis (contingent upon legislative appropriation), meticulous, early preparation of the federal Form 6765 is a critical prerequisite to capturing limited state funds.
Final Thoughts
Tulsa’s evolution from a regional oil extraction epicenter into a highly diversified hub for advanced manufacturing, cybersecurity, and autonomous aviation demonstrates the compounding economic power of strategic industrial development. The United States federal R&D tax credit (IRC § 41) and the newly established Oklahoma Research and Development Rebate Program (74 O.S. § 5091) serve as vital financial mechanisms sustaining this evolution. By strictly adhering to the IRS’s four-part test, proactively structuring legal contracts to avoid the funded research exclusion, and maintaining granular, contemporaneous, business-component-level documentation, Tulsa’s industrial enterprises can effectively leverage these complex tax codes to mitigate the profound financial risks associated with deep technological innovation.
The information in this study is current as of the date of publication, and is provided for information purposes only. Although we do our absolute best in our attempts to avoid errors, we cannot guarantee that errors are not present in this study. Please contact a Swanson Reed member of staff, or seek independent legal advice to further understand how this information applies to your circumstances.










