This study provides a comprehensive analysis of the United States and Pennsylvania Research and Development (R&D) tax credit requirements, focusing on their application within the diverse manufacturing ecosystem of York, Pennsylvania. It details the historical evolution of five key York industries—dental consumables, snack foods, HVAC systems, hydroelectric turbines, and heavy automotive manufacturing—and applies relevant federal and state tax statutes, case law, and 2025 legislative updates to demonstrate their eligibility for these critical innovation incentives.

The Economic and Statutory Framework of Innovation Incentives

The United States tax code has long recognized the fundamental role that technological innovation plays in sustaining economic growth, maintaining global competitiveness, and fortifying industrial resilience. Since its inception in the Economic Recovery Tax Act of 1981, the federal Research and Development (R&D) tax credit has served as the primary fiscal mechanism to incentivize domestic investment in technological advancement. At the state level, the Commonwealth of Pennsylvania has mirrored this federal initiative, deploying its own highly structured R&D tax credit program to cultivate localized economic expansion, encourage corporate retention, and support a highly skilled scientific and engineering labor force within its borders.

To comprehend the profound impact and application of these statutory incentives, one must analyze the intricate intersection of statutory requirements, regulatory guidance from tax administrations, and the evolving body of judicial precedent. This intersection becomes exceptionally clear when applied to a specific geographic and industrial microcosm. York, Pennsylvania, presents a uniquely rich environment for such an analysis. Known historically as a crossroads of commerce and a crucible of American manufacturing, York’s industrial landscape spans from agricultural processing and snack food manufacturing to the engineering of advanced hydroelectric turbines, commercial refrigeration units, dental consumables, and heavy defense and automotive manufacturing.

By analyzing the federal and state tax credit frameworks through the lens of York’s specific historical industries, this study bridges the theoretical gap between complex tax legislation and practical industrial application. The ensuing sections detail the statutory mechanics of Internal Revenue Code (IRC) Section 41, the nuances of Pennsylvania’s Article XVII-B of the Tax Reform Code of 1971, the legislative shifts implemented in 2025, and the historical underpinnings that transformed York County into a manufacturing powerhouse.

United States Federal R&D Tax Credit Administration and Mechanics

The federal R&D tax credit, codified under IRC Section 41, provides a dollar-for-dollar reduction in a taxpayer’s income tax liability for qualified research expenses (QREs) incurred within the United States. The legislative intent is to mitigate the financial risks associated with corporate innovation by encouraging businesses to invest in the development of new or improved products, processes, computer software, techniques, formulas, or inventions. The federal framework is rigorously structured, requiring taxpayers to substantiate their activities against stringent legal definitions of research and experimentation.

The Foundational Four-Part Test

To qualify for the federal R&D tax credit, a taxpayer’s activities must meet all four criteria of what is commonly referred to in tax administration as the “Four-Part Test.” Crucially, as dictated by the IRS and the courts, this test must be applied strictly at the business component level. A business component is defined under the statute as any product, process, computer software, technique, formula, or invention that is held for sale, lease, license, or used by the taxpayer in a trade or business.

Statutory Exclusions and the Funded Research Doctrine

IRC Section 41(d)(4) strictly excludes certain activities from qualifying as research, regardless of whether they might theoretically meet the four-part test. These exclusions include research conducted after the beginning of commercial production, adaptation of an existing business component to a particular customer’s requirement, duplication of an existing business component, surveys, routine testing for quality control, foreign research conducted outside the United States, and funded research.

The concept of “funded research” is particularly contentious and highly scrutinized in industries relying on contract manufacturing and engineering, which are prevalent in York, Pennsylvania. Treasury Regulation Section 1.41-4A(d) specifies that research is considered funded—and therefore ineligible for the credit—if the taxpayer’s payment is not contingent on the success of the research, or if the taxpayer does not retain “substantial rights” to the results of the research. If a York-based manufacturer is guaranteed payment regardless of whether their prototype functions properly, the IRS considers the financial risk to be borne by the client, rendering the manufacturer ineligible for the credit.

The 2025 Paradigm Shift: IRC Section 174 Amortization and Section 174A Expensing

The administrative landscape governing how research expenses are deducted underwent a seismic shift in the mid-2020s. Historically, IRC Section 174 allowed businesses to immediately deduct domestic research and experimental (R&E) expenditures in the year they were incurred, providing immediate cash flow benefits. However, the Tax Cuts and Jobs Act (TCJA) of 2017 mandated that, for tax years beginning after December 31, 2021, specified research or experimental (SRE) expenditures had to be capitalized and amortized over a period of five years for domestic research and fifteen years for foreign research.

This restrictive capitalization environment was dramatically altered with the enactment of Public Law 119-21, widely referred to as the “One Big Beautiful Bill Act” (OBBBA), in 2025. The OBBBA introduced the new IRC Section 174A, which permanently reinstated full, immediate expensing for domestic R&E expenditures paid or incurred in taxable years beginning after December 31, 2024. Foreign research expenditures, however, remain subject to the punitive fifteen-year amortization requirement, reinforcing the federal policy goal of incentivizing domestic innovation and penalizing the offshoring of R&D activities.

Furthermore, the 2025 legislation provided vital transitional rules allowing businesses to accelerate the deduction of their previously capitalized, unamortized domestic R&E costs from the 2022 through 2024 tax years. The Internal Revenue Service (IRS) subsequently released Revenue Procedure 2025-28, offering procedural guidance for implementing these sweeping Section 174A changes. Taxpayers now face complex modeling decisions regarding whether to claim immediate retroactive deductions, spread them across the 2025 and 2026 tax years, or navigate the corresponding IRC Section 280C reductions that prevent double-dipping between the deduction and the credit.

Pennsylvania State R&D Tax Credit Infrastructure

Operating in parallel with the federal system, the Pennsylvania Research and Development Tax Credit, originally created by Act 7 of 1997 and currently codified under Article XVII-B of the Tax Reform Code of 1971, serves to stimulate in-state economic growth and prevent the exodus of innovative firms. The credit acts as a nonrefundable offset against Pennsylvania Corporate Net Income Tax (CNIT) or Personal Income Tax (PIT) liabilities.

State-Level Eligibility and the Modified ASC Calculation

To qualify for the Pennsylvania R&D tax credit, an entity must be subject to state income taxes, must have incurred qualified research expenses explicitly within the geographical boundaries of the Commonwealth, must possess a history of at least two years of R&D expenditures, and must remain in strict compliance with all state tax laws and clearance requirements.

Pennsylvania employs a calculation methodology akin to a modified Alternative Simplified Credit (ASC). The state credit is generally calculated as 10% of the excess of the taxpayer’s total Pennsylvania QREs for the current taxable year over the “Pennsylvania base amount”. The base amount is defined statutorily as the greater of fifty percent of the current-year Pennsylvania QREs, or the average of the Pennsylvania QREs from the prior four consecutive tax years.

To aggressively foster startup activity and support smaller enterprises, Pennsylvania effectively doubles the credit rate, offering a 20% rate for entities classified as “qualified small businesses”. A qualified small business is strictly defined under state law as a for-profit corporation, limited liability company, partnership, or proprietorship that possesses a net book value of assets of less than $5 million at the beginning or end of the taxable year in which the expenses are incurred.

Administration, Caps, and the Appeals Process

Unlike the uncapped federal credit, the Pennsylvania R&D credit is subject to a strict statutory annual limit. Act 53 of 2022 increased this statewide cap to $60 million per fiscal year, locking this ceiling in place through at least June 30, 2025. Within this $60 million total, $12 million is explicitly segregated and reserved for the qualified small business pool. Because the state program is highly popular and frequently oversubscribed by large multinational corporations operating within the state, the Department of Revenue prorates the awards based on the total pool of approved applications. For example, in 2024, non-small businesses received approximately 41.1% of their requested eligible amounts due to proration. Conversely, the small business pool often goes fully funded or underutilized, allowing smaller enterprises to consistently receive 100% of their tentative award amount.

Applications must be submitted through the Department of Revenue’s online tax portal, myPATH, no later than December 1 of the calendar year following the taxable year in which the expenses were incurred. Recognizing that many innovative startups lack the immediate taxable income to utilize the nonrefundable credits, the state permits companies to sell or assign their unused tax credits to third parties. This creates a secondary market for tax attributes and provides immediate cash flow to the innovating firms, though purchasers are generally limited to offsetting 75% of their own liability. In the event of an audit adjustment or denial of a credit application, taxpayers are afforded a formal appeals process established by Act 25 of 2021, which includes review mechanisms involving the Pennsylvania Board of Finance and Revenue, ensuring administrative due process.

York, Pennsylvania: An Industrial and Historical Crucible

To fully contextualize the application of these complex tax frameworks, one must examine the specific industrial ecosystem of York, Pennsylvania. Situated in South Central Pennsylvania, just north of the historic Mason-Dixon Line, York serves as a geographic, commercial, and cultural crossroads for the Eastern Seaboard. The region boasts a dense, 5.2-square-mile urban core surrounded by highly fertile agricultural lands, making it a uniquely ideal environment for diverse, multi-sector industrial development.

Historically, York’s industrial evolution was driven by its abundant natural resources. Early settlers utilized local iron ore and vast timber reserves to ignite the region’s iron and steel industries. The surrounding agricultural landscape provided immense yields of wheat, corn, and potatoes, while the powerful currents of the Susquehanna River offered early mechanical power and, later, massive hydroelectric potential. Regional railways connected York’s factories and farms directly to major metropolitan markets in Philadelphia, Baltimore, and Washington, D.C., facilitating rapid economic expansion.

However, York’s true manufacturing identity was forged during the global crisis of World War II through the implementation of “The York Plan”. Initiated in 1938 and formally launched in 1940 by local industrialists such as S. Forry Laucks and William S. Shipley, the York Plan was an innovative, cooperative manufacturing strategy designed to secure massive federal defense contracts that no single local company could handle alone. The plan required unprecedented collaboration among small and medium-sized businesses across York County. They pooled their machinery, standardized their mechanical parts, shared skilled labor, and optimized existing resources rather than waiting for the construction of new, expensive government facilities. The York Plan was so successful in optimizing wartime production that it became a national model for industrial mobilization, bringing the whole county together in a unified defense effort.

This deep-seated ethos of industrial collaboration, precision engineering, resource optimization, and agricultural utilization cemented York’s status as an enduring manufacturing hub. The following five case studies deeply examine how specific industries developed within this historical context in York, and how their modern operations interface with the stringent legal requirements of the United States and Pennsylvania R&D tax credit programs.

Case Study: Dental and Medical Consumables Manufacturing (The Dentsply Sirona Lineage)

Historical Development in York

The manufacturing of dental prosthetics, restorative materials, and medical consumables in York traces its origins to the late 19th century, a period characterized by rapid advancements in medical technology and a shift away from crude ivory dentures toward mass-produced porcelain teeth. In 1899, four entrepreneurs—Dr. Jacob F. Frantz, George H. Whiteley, Dean C. Osborne, and John R. Sheppard—founded The Dentists’ Supply Company of New York. Operating in a highly competitive New York market, the founders sought to vertically integrate their supply chain by acquiring a struggling Pennsylvania-based manufacturer of porcelain teeth.

George H. Whiteley, an experienced ceramist among the founding group, relocated to York, Pennsylvania, to oversee the newly acquired manufacturing operations. Whiteley leveraged the region’s skilled labor force, established transportation networks, and access to raw materials to scale production rapidly. Over the ensuing decades, the company—which would later rebrand as DENTSPLY International—continuously revolutionized the practice of dentistry. In 1914, the company established the first systematic facial shape and size relationship for matching denture teeth to human anatomy, and in the 1950s, it invented the Airotor, an air-powered turbine handpiece capable of rotating at 2,500 rpm. In 2016, DENTSPLY executed a historic $14.5 billion “merger of equals” with Sirona Dental Systems, forming Dentsply Sirona, the world’s largest manufacturer of professional dental products and technologies, while proudly retaining its global headquarters in York.

R&D Tax Credit Eligibility and Analysis

Medical and dental manufacturing relies heavily on continuous innovation, advanced material science, and precision engineering. Under IRC Section 41, York-based dental manufacturers engage in numerous activities that generate substantial Qualified Research Expenses. Developing new osseointegrated dental implants, experimenting with light-curing composite resins for restorative dentistry, and engineering high-speed, CAD/CAM milling machines for the fabrication of custom ceramic crowns are inherently technological endeavors.

The “Elimination of Uncertainty” and “Process of Experimentation” tests are readily met through the rigorous prototyping, bench testing, and clinical regulatory trials required to bring medical devices to market. For instance, if a York engineering team experiments with alternative polymer blends to improve the tensile strength, flexibility, and bio-compatibility of an intra-oral flat panel sensor, they must engage in systematic trial and error to resolve technical unknowns. Qualified research expenses typically include the W-2 wages of material scientists, biomolecular engineers, and CNC machinists, as well as the cost of laboratory supplies (e.g., specialized resins, testing substrates, and destroyed prototypes) utilized during the research phases.

Regulatory Guidance and Case Law Precedents

A critical hurdle for dental laboratories, architectural design firms, and medical contract manufacturers claiming the R&D credit involves the IRC Section 41(d)(4)(H) “funded research” exclusion. In the notable case of Smith v. Commissioner, the IRS aggressively challenged an architectural design firm, arguing that their research activities were funded by their clients and that the firm lacked financial risk if the research failed. Similarly, in Enercon Engineering, Inc. (T.C. Memo 2021), the United States Tax Court evaluated whether a contractor working on behalf of a third party retained “substantial rights” to the research results, examining the specific contractual language governing the engineering projects.

For custom dental laboratories and specialized medical manufacturers in York acting as contractors to large healthcare providers, their client contracts must be meticulously structured. To claim the federal and Pennsylvania state R&D credits, payment must be legally contingent upon the successful development of the medical device (demonstrating economic risk), and the York manufacturer must retain rights to utilize the underlying intellectual property or the improved manufacturing processes developed during the project. Failure to satisfy these contractual requirements will result in the total disallowance of the claimed credits.

Case Study: Agricultural Processing and Snack Food Manufacturing (The Hanover Ecosystem)

Historical Development in York

York County, and specifically the borough of Hanover, is internationally recognized by the unofficial but widely utilized title of the “Snack Food Capital of the World”. The genesis of this unique industrial concentration stems from a historic convergence of geographic positioning, rich agricultural assets, and distinct cultural heritage. Hanover is situated within the Mid-Atlantic “Pretzel Belt,” an area settled heavily by German and Pennsylvania Dutch immigrants who brought centuries-old baking and food preservation traditions to the American colonies.

The region’s exceptionally fertile soil produced an abundance of necessary raw materials, specifically wheat, corn, soy, and potatoes. By the early-to-mid 20th century, local entrepreneurs recognized the commercial potential of these resources. Figures like Earl Wise, and the founding families behind Utz Quality Foods, Martin’s Potato Chips, and Snyder’s of Hanover, began scaling their localized home-kitchen frying and baking operations into massive commercial enterprises. York’s strategic geographic location allowed these companies to rapidly ship fresh, perishable baked goods to major metropolitan centers like Baltimore, Philadelphia, and Washington, D.C., capturing significant market share before the advent of modern chemical preservatives. Today, the Hanover snack food ecosystem is dominated by continuous corporate expansions, such as Utz’s massive new automated distribution centers and the Campbell Soup Company’s strategic acquisition of Snyder’s of Hanover.

R&D Tax Credit Eligibility and Analysis

While snack food manufacturing may appear to the layman as a routine culinary exercise, it is, in reality, a highly scientific endeavor heavily reliant on chemistry and biological sciences, making it eligible for significant R&D tax credits. Developing new snack formulations, such as creating gluten-free pretzel matrices or texturizing plant-based protein crisps, requires resolving profound technical uncertainties related to emulsion stability, extrusion dynamics, and final mouthfeel.

If a York-based snack food company wishes to extend the shelf-life of a dairy-based snack or a potato chip without utilizing synthetic additives, they must engage in rigorous experimentation. They might test various concentrations of natural antioxidants, such as rosemary extract, to prevent lipid oxidation. This activity firmly meets the “Technological in Nature” test, as it relies on the principles of biological sciences and organic chemistry. The “Process of Experimentation” involves running accelerated stability trials in temperature-controlled chambers, conducting pH titrations, and utilizing microbial growth modeling to pinpoint effective dosages. Furthermore, designing custom, automated packaging machinery and robotic palletization systems to reduce lead time and manufacturing waste qualifies as mechanical and process engineering R&D.

Regulatory Guidance and Case Law Precedents

The scrutiny placed on the food and beverage industry regarding R&D tax credits is exceptionally high, with the IRS and the courts heavily emphasizing the rigorous application of the scientific method over simple trial-and-error cooking. The landmark Tax Court case Siemer Milling Company v. Commissioner (T.C. Memo. 2019-37) serves as a critical, cautionary precedent for York’s snack industry. Siemer Milling, an established wheat flour manufacturer, claimed R&D credits for developing new flour heat treatments, testing wheat hybrids, and formulating new whole wheat flour lines.

The Tax Court completely disallowed the claimed credits, ruling that the company fundamentally failed the “Process of Experimentation” test. The court determined that Siemer Milling lacked contemporaneous documentation demonstrating a methodical, scientific plan of formulating hypotheses, conducting modeling or simulation, and executing systematic trial and error. The court explicitly noted that the company failed to evaluate alternatives in a scientific sense.

For the snack food giants operating in York, Siemer Milling dictates that simply tasting batch trials (“sensory testing”) and adjusting recipes based on flavor profiles is wholly insufficient without underlying scientific documentation. To satisfy IRS examiners and Pennsylvania Department of Revenue auditors, York manufacturers must maintain strict laboratory records, scientific testing logs, chemical analysis reports, and engineering schematics proving that their formulation adjustments fundamentally rely on food science to resolve technical uncertainties.

Case Study: Advanced HVAC and Commercial Refrigeration (The York International Legacy)

Historical Development in York

In 1874, a consortium of local York entrepreneurs, which included the inventor Stephen Morgan Smith alongside Jacob Loucks and Oliver J. Bollinger, pooled their resources to form the York Manufacturing Company. Initially, the company focused on manufacturing agricultural equipment and Stephen Morgan Smith’s patented “Success Washing Machine”. However, by 1883, the company’s leadership astutely pivoted the business to address a critical national issue: the unreliable, weather-dependent supply of natural ice necessary for food preservation and industrial cooling. In 1885, they produced their first mechanical ice-making machine, fundamentally altering the trajectory of the company.

This strategic pivot sparked an industrial revolution in thermal dynamics. Over the ensuing decades, York became a global pioneer in commercial refrigeration, dehumidification, and air conditioning. In 1903, the company engineered a massive, large-scale dehumidification system for Carnegie Steel to improve blast furnace efficiency. In 1937, York installed the world’s largest air conditioning system in the United States Capitol Building, Senate Office Building, and House Office Buildings in Washington, D.C.. Eventually operating as York International, the company grew into the world’s largest independent manufacturer of air conditioning, heating, and refrigeration machinery before being acquired by Johnson Controls in 2005 for $3.2 billion. Today, the York brand cools global landmarks, including the Sydney Opera House, the Kremlin, and the English Channel Eurotunnel, maintaining a massive engineering footprint in South Central Pennsylvania.

R&D Tax Credit Eligibility and Analysis

The heating, ventilation, air conditioning (HVAC), and broader mechanical, electrical, and plumbing (MEP) fabrication industries are prime candidates for the R&D tax credit due to their reliance on custom engineering. A York-based manufacturing facility designing customized industrial chillers or complex air handlers faces immense technical uncertainty on almost every project. Designing unique heat exchange modules, developing specialized humidity controls for pharmaceutical cleanrooms, or engineering zero-emission coolant delivery systems requires intense mechanical and thermodynamic engineering.

Qualifying R&D activities in this sector include conducting advanced Building Information Modeling (BIM) to route custom sheet metal ductwork through highly constrained architectural spaces without compromising airflow velocity. Manufacturers must continuously test mechanical system performance against alternative, environmentally friendly refrigerants, and analyze complex dew points to prevent condensation in structural building components. The wages of mechanical engineers, CAD drafters, and specialized sheet metal fabricators involved in prototyping, alongside the cost of raw materials used to fabricate test assemblies, are highly eligible QREs under both federal and Pennsylvania law.

Regulatory Guidance and Case Law Precedents

A frequent misconception within the MEP and traditional manufacturing sectors is that innovation must be entirely groundbreaking, revolutionary, or patented to qualify for tax incentives. The United States Tax Court thoroughly addressed and dispelled this notion in the case of Suder v. Commissioner (T.C. Memo 2014-201). In Suder, the court ruled favorably for the taxpayer, explicitly noting that a business does not have to “reinvent the wheel” for its research and experimentation activities to be eligible for the R&D credit.

Incremental, evolutionary improvements to an existing product line—such as a York manufacturer incrementally improving the energy efficiency (SEER rating) of an existing residential heat pump by testing new coil configurations—perfectly align with the “Permitted Purpose” test of Section 174. Suder also reaffirmed that technical uncertainty can exist regarding the method or appropriate design, even if the overall goal is known to the industry to be technically possible. This provides broad cover for York HVAC manufacturers to claim credits for the continuous, iterative improvement of their commercial cooling and heating systems.

Case Study: Hydroelectric Turbines and Energy Infrastructure (The S. Morgan Smith / Voith Heritage)

Historical Development in York

The hydroelectric power manufacturing industry in York is deeply tied to the specific topography of the Susquehanna River. The river features an extraordinary 1,180-foot elevation drop from its headwaters in New York down to the Chesapeake Bay, with the most dramatic fall rate occurring in the final 55 miles forming the geographic border of York and Lancaster counties. To harness this immense kinetic energy, massive impoundment dams, such as the Holtwood Dam, were constructed across the lower Susquehanna in the early 20th century.

In 1877, the inventor Stephen Morgan Smith, having previously left the York Manufacturing Company, began designing and manufacturing advanced hydraulic turbines. His independent company, S. Morgan Smith, rapidly expanded, eventually becoming the absolute largest manufacturer of hydroelectric turbines in the United States by the 1920s. His turbines powered textile mills, steel furnaces, and early electrical grids worldwide. Through a series of corporate acquisitions involving Allis-Chalmers, the York manufacturing operations were eventually acquired by Voith Hydro in 1986. Today, Voith’s facility in West York remains one of the world’s largest dedicated hydropower manufacturing plants, and remarkably, it is the only facility in the United States housing a dedicated, state-of-the-art hydraulic laboratory for turbine testing.

R&D Tax Credit Eligibility and Analysis

Hydroelectric infrastructure relies almost entirely on massive, highly customized, first-in-class engineered components. Every dam features unique flow rates, water pressures, and environmental constraints. Designing a new runner (the massive rotating part of a turbine) for a specific modernization project requires precise computational fluid dynamics (CFD) modeling to maximize power generation while minimizing the risk of cavitation (the formation and violent collapse of destructive vapor bubbles against the metal).

When a York-based manufacturer designs a new turbine to modernize a century-old dam, they cannot simply build a full-scale, multi-ton prototype to see if it works. Instead, they must rely on highly accurate, scaled hydraulic models physically tested in their proprietary laboratories. The formulation of complex CFD models, the precision machining of the scaled test models, and the iterative testing to eliminate uncertainty regarding the turbine’s hydraulic efficiency, torque, and structural integrity under immense water pressure fulfill all rigid requirements of the four-part test.

Regulatory Guidance and Case Law Precedents

The unique challenges of claiming R&D credits for the manufacturing of massive, first-in-class custom equipment were recently scrutinized by the U.S. Court of Appeals for the Seventh Circuit in the highly consequential 2023 case, Little Sandy Coal v. Commissioner. In this case, the taxpayer claimed R&D credits for the complex design and construction of 11 first-in-class shipyard vessels. The appellate court affirmed the Tax Court’s denial of the credits because the taxpayer failed to substantiate that 80% of the activities for each specific vessel constituted a process of experimentation (the “substantially all” rule). The taxpayer relied on arbitrary estimates rather than concrete data.

However, Little Sandy Coal provided a major, taxpayer-friendly victory for heavy manufacturers in York by legally clarifying the specific calculation of the numerator and denominator of the 80% fraction. The higher court ruled definitively that the wages of employees providing “direct support” and “direct supervision” of the research (e.g., floor managers overseeing the novel welding of a massive turbine runner, or laborers directly involved in fetching unique materials for the prototype assembly) can be included in the numerator when calculating if the experimentation threshold is met, provided those costs qualify as Section 174 expenses. For York’s hydro manufacturers, this precedent vastly expands the scope of eligible labor QREs, provided that contemporaneous, detailed time-tracking of both engineers and floor laborers is meticulously maintained to satisfy the strict substantiation standards.

Case Study: Defense, Ordnance, and Automotive Manufacturing (The Harley-Davidson and AMF Era)

Historical Development in York

During the global conflict of World War II, York County’s heavy manufacturing prowess reached its zenith through the implementation of “The York Plan”. This collaborative ecosystem allowed York to rapidly pivot from civilian goods to producing everything from complex Bofors anti-aircraft guns to large bomb casings and naval components. The massive York Safe & Lock Company plant served as a primary hub for this intense ordnance manufacturing.

Following the war, these massive facilities transitioned back to varied peacetime industrial output. The York Safe & Lock plant was acquired by American Machine and Foundry (AMF), which utilized the vast floor space to manufacture highly diverse products, ranging from AMF Ski-Daddler snowmobiles and heavy-duty LP gas tanks to rocket engine components for the space program. In 1969, AMF acquired the iconic American motorcycle manufacturer Harley-Davidson. Recognizing the immense manufacturing capacity and skilled labor pool in York, AMF subsequently shifted major motorcycle assembly operations to the 1.5 million-square-foot York facility in the 1970s. Today, the Harley-Davidson Vehicle Operations plant in York is a cornerstone of the brand, producing the Sportster, Cruiser, and Touring families of motorcycles, alongside the innovative LiveWire electric motorcycles, utilizing advanced robotics, 3D printing, and automated guided vehicles.

R&D Tax Credit Eligibility and Analysis

Heavy automotive and defense manufacturing is a prime generator of R&D tax credits, driven by the constant need for greater efficiency, safety, and technological advancement. As motorcycle manufacturing makes the historic transition toward electrification, York engineers face profound technical uncertainties. Developing the powertrain and chassis for the LiveWire electric motorcycle requires extensive experimenting with new battery cell chemistry, complex thermal management systems to prevent overheating, and advanced high-voltage wiring architecture.

Furthermore, R&D credits in this sector are heavily generated directly on the factory floor through industrial and process engineering. Designing a new robotic welding arm sequence to decrease assembly time without compromising the structural integrity of a motorcycle frame constitutes a new “process” business component under Section 41. Experimenting with 3D-printed jigs, fixtures, and advanced laser-cutting algorithms to optimize material yield and improve assembly line ergonomics fulfills the experimental and technological requirements of the federal tax code.

Regulatory Guidance and Case Law Precedents

For massive manufacturing facilities like those operating in York, the cost of raw materials used in prototyping and pilot models can generate substantial supply QREs. Under Treasury Regulation 1.41-2(b)(1), supply expenses must be for tangible property used in the conduct of qualified research. If a York automotive plant intentionally scraps a newly designed motorcycle frame during a destructive crash test to evaluate structural weak points, the cost of the steel, aluminum, and components of that frame is an eligible supply QRE.

Administratively, claiming these multi-million dollar federal credits requires strict, unyielding compliance with IRS reporting standards. Recent IRS guidance has fundamentally altered the reporting requirements for Form 6765 (Credit for Increasing Research Activities). To combat fraudulent and overly aggressive claims, the IRS now mandates that taxpayers explicitly detail the four-part test for each specific business component directly on the form, alongside listing the specific individuals who performed the research and detailing the exact scientific information they sought to discover. For massive manufacturing facilities engaging in hundreds or thousands of micro-improvements on an assembly line annually, this poses a monumental documentation burden. It necessitates the implementation of automated time-tracking software, contemporaneous project accounting, and deep, ongoing integration between the engineering staff on the floor and the corporate tax departments.

Strategic Final Thoughts and Future Outlook

The United States federal and Pennsylvania state R&D tax credit programs offer profound financial leverage for businesses willing to undertake the inherent risks of technological innovation. The intricate interaction between these tax codes—ranging from the permanent domestic expensing under the newly minted IRC Section 174A to Pennsylvania’s robust $60 million credit pool and lucrative 20% small business rate—creates a highly favorable, synergistic fiscal environment for domestic manufacturers.

As thoroughly demonstrated by the dynamic industrial ecosystem of York, Pennsylvania, these tax incentives do not exist in a vacuum. They are actively utilized by diverse industries rooted in centuries of geographic and historical development. From the enduring legacy of the S. Morgan Smith hydropower turbines and the York Plan’s collaborative defense mobilization, to the agricultural dominance of the Hanover snack food sector and the precision medical engineering of Dentsply Sirona, the application of R&D credits is vast, multidisciplinary, and critical to regional economic survival.

However, judicial precedents such as Siemer Milling, Little Sandy Coal, and Smith v. Commissioner underscore a critical, unyielding reality: the IRS and the Pennsylvania Department of Revenue demand rigorous, scientific documentation. Taxpayers can no longer rely on institutional knowledge, vague engineering summaries, or post-hoc estimates to substantiate their claims. Eligibility strictly hinges on the contemporaneous documentation of technical uncertainty and the systematic application of the scientific method to resolve it. By aligning robust, modern engineering practices with proactive, highly detailed tax planning and documentation systems, the industries of York, Pennsylvania—and the broader United States manufacturing sector—can effectively capitalize on these statutory incentives to secure their technological dominance and long-term economic vitality.

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.