Wages for qualified services represent the taxable compensation paid to employees for the direct conduct, first-line supervision, or immediate technical support of research activities performed within the State of Texas. These expenditures constitute the primary eligible cost component used to calculate the incremental franchise tax credit under the Texas Tax Code.

The structural definition of “wages” in the context of the Texas Research and Development (R&D) tax credit is inherently tied to the federal definitions found in the Internal Revenue Code (IRC). To understand the meaning of wages for qualified services, one must navigate the intersection of Texas Tax Code Chapter 171, Subchapter M, and IRC Section 41. This relationship has undergone a profound evolution, most recently culminated in the passage of Senate Bill 2206 by the 89th Texas Legislature in June 2025, which transitions the credit into a permanent incentive with significantly enhanced rates and deeper federal alignment. The concept of wages is not merely a quantitative figure derived from payroll records but is a qualitative assessment of an individual’s daily activities. Under 34 Texas Administrative Code §3.599, qualified services are partitioned into a three-tier hierarchy: engaging in research, direct supervision, and direct support. Each tier requires a distinct level of nexus to the “process of experimentation,” a four-part test derived from federal law that evaluates whether an activity is undertaken to discover technological information to eliminate uncertainty in the development of a business component.

The Statutory Definition and Scope of Wages

At the core of the Texas R&D credit is the term “wages” as defined by IRC Section 3401(a). This includes all remuneration for services performed by an employee for his or her employer, encompassing salaries, bonuses, commissions, and the cash value of non-cash remuneration. In practice, for most taxable entities, this corresponds to the amounts reported in Box 1 of federal Form W-2. However, the scope of what constitutes a “wage” for credit purposes is more nuanced than a simple payroll total. It specifically excludes certain categories of compensation to prevent the duplication of tax benefits, most notably wages used in calculating the federal Work Opportunity Tax Credit (WOTC).

For non-corporate entities, such as partnerships or sole proprietorships, the definition of wages extends to “earned income” as defined in IRC Section 401(c)(2). This provision ensures that self-employed individuals and partners who perform qualified research activities are not disadvantaged by their business structure. The IRS and the Texas Comptroller recognize self-employment income as a proxy for wages, provided the income is reasonably related to the performance of qualified services. This has been a point of significant judicial scrutiny, as seen in cases like Smith v. Commissioner, where the “reasonableness” of self-employment income as a qualified research expense (QRE) was debated in the context of service partnerships. The consensus in Texas policy, aligning with federal standards, is that for a partner’s income to qualify, it must be generated by the actual conduct or supervision of research, rather than being a mere function of the partnership’s overall profitability.

Hierarchy of Qualified Services

The characterization of labor as “qualified services” is the most scrutinized aspect of any R&D credit claim during a Comptroller audit. The three-tier definition provided in 34 TAC §3.599 serves as the definitive guide for taxpayers.

Engaging in qualified research represents the “direct conduct” of the technical work. This involves individuals who are on the front lines of innovation, such as a scientist in a laboratory conducting chemical trials or a software developer engineering an algorithm to solve a complex data processing latency issue. Direct supervision is strictly limited to the “immediate supervision” of these activities—often referred to as first-line management. A critical distinction made in local guidance is that supervisory services do not extend to higher-level managers to whom the first-line managers report, even if those senior executives possess advanced technical degrees. Direct support, meanwhile, encompasses services that have an “immediate effect” on the research. For instance, a machinist who fabricates a specific component for an experimental prototype is providing direct support, whereas a janitor who performs general cleaning of the building where research occurs does not meet the “immediate effect” threshold and is thus excluded.

Federal Conformity and the Impact of SB 2206

The Texas R&D tax credit has historically operated under a “frozen” conformity model, referencing the Internal Revenue Code as it existed on December 31, 2011. This created a regulatory lag, where federal updates to the credit calculation were not automatically adopted in Texas. However, the enactment of SB 2206, effective for reports originally due on or after January 1, 2026, shifts Texas toward a “rolling” conformity model for the purpose of defining QREs.

Under the new law, “qualified research expense” is explicitly defined as the portion of the amount reported by a taxable entity on Line 48 of federal Form 6765, Credit for Increasing Research Activities, that is attributable to research conducted in Texas. This shift is intended to significantly simplify compliance by allowing taxpayers to use their federal computations as the starting point for their Texas claim. It also mandates that Texas follow federal guidance, regulations, and even certain IRS audit determinations regarding the eligibility of specific expenses.

The 80% “Substantially All” Rule for Wages

A major administrative convenience found in the federal regulations and adopted by Texas is the “substantially all” rule (also known as the 80% rule). This rule provides that if at least 80% of an employee’s services for the year consist of qualified research, supervision, or support, then 100% of that employee’s wages can be included as QREs.

The calculation for the “substantially all” rule is as follows:

If (Hours in Qualified Services / Total Hours Worked) ≥ 80%, then Qualified Wages = Total W-2 Box 1 Wages

If the employee falls below the 80% threshold, the taxpayer may only include the actual percentage of wages corresponding to the time spent on qualified activities. This rule emphasizes the importance of granular time-tracking or “sufficient” documentation to justify the inclusion of the full wage amount for key research personnel.

Local State Revenue Office Guidance and Administrative Policy

The Texas Comptroller of Public Accounts is tasked with the administration and enforcement of the R&D credit. Over the years, the Comptroller has issued various policy memoranda and administrative rules that provide critical interpretations of how the law applies to wages and other research costs.

Combined Reporting and Intra-group Transactions

In March 2025, the Comptroller issued Memorandum 202503004M, which addresses the treatment of federal intra-group transactions for Texas franchise tax purposes. This guidance is vital for companies operating as a “combined group” in Texas. While federal law requires members of a “controlled group” to be treated as a single taxpayer, the Comptroller clarified that federal “controlled group” definitions and Texas “combined group” definitions are fundamentally different. Consequently, for the Texas R&D credit, the combined group is treated as the taxable entity, and research activities of individual members must be aggregated on the combined report.

This distinction has significant implications for wages paid by one member of a group to employees who perform research for another member. The law ensures that as long as the research is conducted in Texas and the entities are part of the same combined group, the wages remain eligible QREs at the group level.

Order of Credit Application

Another key piece of local guidance is found in Memorandum 202501001M, which details the order in which franchise tax credits must be applied. Texas law prescribes a specific sequence for R&D credits:

1. Subchapter O carryforwards (the prior version of the credit repealed in 2008).
2. Subchapter M carryforwards (the current version of the credit).
3. Subchapter M current-year credits.

This “first-in, first-out” approach for carryforwards helps taxpayers utilize older credits before they expire, which is particularly relevant given the 20-year carryforward period for unused R&D credits.

Transition from Sales Tax Exemption to Franchise Tax Credit

Since 2014, Texas taxpayers have been required to choose between a sales and use tax exemption on depreciable property used in research or a franchise tax credit based on QREs. This elective nature often led to complex tax planning scenarios. SB 2206 simplifies this landscape by repealing the sales tax exemption effective January 1, 2026, and consolidating the state’s R&D incentives into a single, permanent franchise tax credit.

For wages, this change removes the historical conflict where some support activities might have qualified for the sales tax exemption’s “directly used” standard but not the credit’s “direct support” standard. Under the post-2026 framework, the focus shifts entirely to the federal Line 48 definition. Furthermore, the new law explicitly states that the Comptroller cannot exclude supply expenses from the credit calculation based on whether those supplies were taxable or exempt from sales tax—a significant departure from prior restrictive regulations like TAC §3.699(b)(8)(A)(iii).

Credit Calculation Methodologies

Texas employs two primary calculation methods: the Regular Research Credit (though often referred to in Texas in the context of its own incremental formula) and the Alternative Simplified Credit (ASC) equivalent for entities without a prior three-year history.

The Standard Incremental Credit

For established firms, the credit is calculated as a percentage of the difference between current-year Texas QREs and 50% of the average of the three preceding tax periods’ QREs.

The mathematical formula is: Credit = 8.722% × (CY QRE – Base Amount)

If the entity partners with a Texas-based institution of higher education, the rate increases to 10.903%.

The “Startup” or No-History Provision

Recognizing that new companies or those new to R&D in Texas may not have three years of prior data, the law provides a simplified rate applied directly to current-year QREs without a base amount reduction.

This provision is particularly beneficial for startups in innovation hubs like Austin, Dallas, and Houston, allowing them to monetize their labor costs immediately without needing a multi-year history of research spending.

Documentation and Audit Substantiation

The shift from “contemporaneous” to “sufficient” documentation is one of the most significant procedural changes introduced in 2025. Historically, the Comptroller required records to be created at the time the research was conducted. The amended Tax Code now requires records to be “sufficient” to substantiate the amount of the credit, which aligns with federal case law that permits some degree of retrospective reconstruction, provided it is based on reliable primary source data.

Best Practices for Wage Substantiation

Despite the relaxed “sufficient” standard, taxpayers are advised to maintain a robust documentation trail to withstand the rigor of a Comptroller audit. This include:

• Time Tracking: While not strictly mandatory if other “sufficient” methods exist, contemporaneous time logs remain the “gold standard” for proving an employee met the 80% threshold.
• Payroll Records: Forms W-2, Box 1, and payroll registers that identify the specific wages paid during the research period.
• Personnel Interviews: Auditors may conduct interviews with research staff to verify their roles and the nature of the technological uncertainties they were attempting to resolve.
• Statistical Sampling: Both the taxpayer and the Comptroller are explicitly authorized to use statistical sampling (per IRS Rev. Proc. 2011-42) to estimate QREs in large populations, which can significantly reduce the administrative burden of documenting every single researcher’s time.

The Audit Process

The Comptroller’s audit process begins with a notification and a questionnaire (Form 00-750). The auditor will review the business’s history, examine ledger entries, and look for a clear “nexus” between the wage expense and the research activity. If an audit results in a disagreement, taxpayers have access to reconciliation conferences and Independent Audit Review (IAR) conferences to resolve disputes before the assessment is finalized.

Comprehensive Case Study: BioTex Engineering LLC

To illustrate the application of these rules, consider BioTex Engineering LLC, a mid-sized firm based in Austin, Texas, developing new medical imaging software.

Phase 1: Identifying Qualified Personnel

In 2026, BioTex employs a team of engineers and support staff.

1. Lead Engineer (Sarah): Spends 90% of her time writing and testing new image-processing code and 10% on general staff meetings. Sarah’s W-2 Box 1 wages are $150,000.
2. Junior Engineer (Michael): Spends 75% of his time on code testing and 25% on customer support for existing products. Michael’s W-2 Box 1 wages are $100,000.
3. Lab Manager (David): Spends 100% of his time overseeing Sarah and Michael’s daily technical tasks. David’s W-2 Box 1 wages are $120,000.
4. Administrative Assistant (Emily): Spends 30% of her time typing Sarah’s technical research reports and 70% on general office billing. Emily’s W-2 Box 1 wages are $50,000.

Phase 2: Applying the Rules

• Sarah: Meets the 80% “substantially all” rule. BioTex can include $150,000 (100% of her wages).
• Michael: Does not meet the 80% rule. BioTex can only include $75,000 (75% of his $100,000 wages).
• David: As a first-line manager (direct supervision), he meets the 80% rule. BioTex can include $120,000.
• Emily: As direct support, she does not meet the 80% rule. BioTex can include $15,000 (30% of her $50,000 wages).

Total 2026 Texas Wages for Qualified Services: $360,000.

Phase 3: Calculating the 2026 Credit

Assume BioTex has $40,000 in qualifying supplies and $100,000 in contract research with the University of Texas (qualifying as a higher education contract).

• Current Year Total QREs: $360,000 (wages) + $40,000 (supplies) + $100,000 (contract) = $500,000.
• Historical Context: BioTex’s average Texas QREs for 2023, 2024, and 2025 were $400,000.
• Base Amount: $400,000 × 50% = $200,000.

The Calculation:

1. Incremental QREs: $500,000 – $200,000 = $300,000.
2. Higher Education Portion: $100,000 × 10.903% = $10,903.
3. Standard Incremental Portion: ($300,000 – $100,000) = $200,000.
4. Standard Credit: $200,000 × 8.722% = $17,444.
5. Total Credit Available for 2026: $28,347.

If BioTex owes only $20,000 in franchise tax, it can use the credit to offset 50% of its liability ($10,000) and carry forward the remaining $18,347 for up to 20 years. However, if BioTex qualifies as a “No Tax Due” entity (e.g., total revenue below $2.47M), it could apply for a refund of the full $28,347.

Industry-Specific Implications

The definition of qualified services varies significantly across Texas’s dominant industrial sectors.

Manufacturing and Production

For manufacturers, the transition from research to commercial production is a critical boundary. Wages paid for activities conducted after the start of commercial production are generally excluded. However, manufacturing firms often have significant “direct support” labor, such as machinists and prototype builders, that can be captured under the Texas rules. The exclusion of fixed capital (depreciable equipment) from the credit means that wages for the labor involved in building prototypes are often the most valuable part of a manufacturer’s claim.

Software and Information Technology

The software sector frequently grapples with the “Internal Use Software” (IUS) exclusion. While Texas has historically used a restrictive IUS definition (TAC §3.599), the new alignment with federal Form 6765 provides a more standardized pathway for software developers to qualify their wages. For software companies, “qualified services” often include high percentages of engineer wages, as most development work involves resolving technical uncertainties related to architecture, scalability, or performance.

Biotechnology and Life Sciences

Biotech firms in Texas benefit heavily from the higher education rate, as they frequently collaborate with Texas universities for clinical trials and basic research. Their wage base often includes highly specialized technicians and researchers. The introduction of refundability in SB 2206 is particularly beneficial for biotech startups that may spend years in the R&D phase without generating significant taxable revenue.

Final Thoughts

The Texas R&D tax credit, through its integration of federal wage definitions and localized Comptroller guidance, provides a powerful incentive for businesses to invest in high-tech employment within the state. The evolution from a temporary incentive with complex choices between sales tax and franchise tax to a permanent, enhanced credit aligned with federal reporting marks a new chapter in Texas’s economic strategy. Taxpayers who maintain sufficient records and understand the nuanced tiers of qualified services—direct conduct, supervision, and support—are well-positioned to leverage this credit to significantly reduce their franchise tax liability or even receive cash refunds. As the state moves toward a projected revenue reduction of over $1 billion by 2029 to support this program, the emphasis on rigorous substantiation and accurate wage allocation will only increase, making professional compliance more critical than ever before.