The Statutory Framework and Economic Impact of Missouri Revised Statutes § 620.1039: A Comprehensive Analysis of the Research and Development Tax Credit

Missouri Revised Statutes § 620.1039 provides a specialized tax credit for businesses that increase their Missouri-based research and development spending. This incentive allows companies to recover 15% to 20% of their incremental qualified research expenses against state tax liabilities.

This statutory provision, recently revitalized under House Bill 2400, represents Missouri’s strategic commitment to fostering a competitive landscape for high-tech industries. By pegging eligibility to federal standards while maintaining strict in-state residency requirements for research activities, the law creates a dual-benefit system where businesses reduce their effective cost of innovation and the state expands its intellectual capital and high-wage labor pool.1 The meaning of § 620.1039 extends beyond a mere deduction; it is a sophisticated economic tool that utilizes a rolling three-year average to reward only “additional” investment, thereby ensuring that taxpayer funds are directed toward growth rather than subsidizing static operational costs.4 Furthermore, the statute’s inclusion of university collaboration bonuses and set-asides for minority and women-owned enterprises signals a nuanced approach to social and educational integration within the broader industrial policy of the state.7

The Legal and Historical Evolution of § 620.1039

The history of Missouri’s Research and Development (R&D) Tax Credit is characterized by a significant period of dormancy followed by a legislative resurgence. Originally codified in 1993, the statute was active throughout the late 1990s and early 2000s, serving as a primary driver for the state’s burgeoning biotech and manufacturing sectors.10 However, the program effectively ceased authorizing new credits for tax years beginning on or after January 1, 2005, due to a sunset provision and the exhaustion of previous funding authorizations.10 For nearly eighteen years, Missouri-based innovators operated without a dedicated state-level R&D incentive, a period during which many neighboring states refined their own tax codes to attract high-tech migration.6

The enactment of House Bill 2400 in 2022 marked the formal “revival” of the program. Effective for tax years beginning on or after January 1, 2023, the legislature did not simply reinstate the old law but modernized the framework to align with current economic realities.3 This modernization included extending carryforward periods, increasing the annual aggregate cap to $10 million, and establishing mandatory set-asides for underserved business classes.1 The legislative intent, as reflected in the fiscal notes and subsequent guidance from the Department of Economic Development (DED), is to incentivize “additionality”—the specific increase in research expenditures above a historical baseline.2

The revival of this credit is a response to the reality that R&D activities are highly mobile. By restoring § 620.1039, Missouri aims to compete for investments that would otherwise flow to coastal technology hubs or states with lower corporate tax burdens.6 The statutory language specifically ties the definition of “taxpayer” to chapters 143 and 148 of the Missouri Revised Statutes, ensuring that the credit is applicable to both general corporations and financial institutions, thereby broadening the potential economic base.1

Technical Definitions and Core Statutory Components

The operational success of the R&D tax credit relies on the precise definitions found in § 620.1039.1. The statute effectively “borrows” the federal definition of qualified research while imposing Missouri-specific constraints to ensure that the economic benefits remain localized.1

Qualified Research Expenses (QREs)

The statute defines “qualified research expenses” by direct reference to 26 U.S.C. Section 41, the federal tax code section governing the research credit. However, § 620.1039 adds a critical geographical limitation: the expenses must be incurred “within this state”.1 This ensures that while the types of activities allowed are broad and aligned with national standards, the labor and materials must support Missouri’s economy.4

Qualified research generally includes three main types of expenditures:

• Wages: Payments made to employees for time spent engaging in, supervising, or directly supporting qualified research.2
• Supplies: Costs for tangible property used in the research process, excluding land and depreciable assets.4
• Contract Research: 65% of the payments made to third parties for qualified research performed on the taxpayer’s behalf, provided that work occurs in Missouri.2

Additional Qualified Research Expenses

The hallmark of the Missouri credit is the concept of “additional” expenses. The law does not reward the total volume of research, but rather the growth of that research.1 The statute defines this as the difference between the current year’s Missouri QREs and the average of the taxpayer’s Missouri QREs for the three immediately preceding tax years.1

To qualify for the credit, a taxpayer must have had Missouri QREs in at least one of the three preceding tax years.4 This requirement serves a dual purpose: it prevents businesses from claiming credits for purely incidental or one-off research events, and it provides a baseline against which to measure growth.2 If a business is entirely new to Missouri and has zero expenses in the prior three years, it must wait until it has established a history of research within the state before it can apply for the § 620.1039 credit.2

The 200% Expenditure Ceiling

To maintain fiscal predictability and prevent excessive claims from a single entity, the statute imposes a 200% limitation.2 No credit is issued for the portion of current-year QREs that exceeds 200% of the taxpayer’s three-year average.1 This ceiling acts as a “buffer” for the state’s general revenue fund, ensuring that even in years of explosive corporate growth, the tax expenditures remain within manageable parameters.15

The Calculation Framework and Rate Structures

Section 620.1039 offers a tiered rate structure designed to encourage collaboration between the private sector and higher education. The base rate for the credit is 15% of the additional qualified research expenses.1 However, if the research is conducted “in conjunction with a public or private college or university located in this state,” the credit rate increases to 20%.1

This 5% “university bonus” is a strategic pivot. By incentivizing partnerships with institutions like the University of Missouri, Washington University, or Saint Louis University, the state fosters a technology transfer pipeline where academic breakthroughs can be rapidly commercialized by Missouri businesses.2 The guidance issued by the Department of Economic Development indicates that these collaborations must be substantive, generally requiring a formal agreement or joint project structure where university resources, faculty, or students are integral to the research being performed.2

Numerical Illustration of the Credit

Consider a hypothetical mid-sized aerospace company, “Gateway Flight Systems,” based in St. Louis. To determine their credit for the 2023 tax year, they must first calculate their base amount using their Missouri-sourced QREs from 2020, 2021, and 2022.

• Year 2020 QRE: $800,000
• Year 2021 QRE: $1,000,000
• Year 2022 QRE: $1,200,000
• Calculated Base Amount (3-Year Average): $1,000,000 2

In 2023, Gateway Flight Systems increases its research budget to $1,800,000. They conduct this research in collaboration with a Missouri university, qualifying for the 20% rate.

1. Check 200% Cap: 200% of the $1,000,000 base is $2,000,000. Since $1,800,000 is less than $2,000,000, the full $1,800,000 can be used in the calculation.2
2. Determine Additional QRE: $1,800,000 – $1,000,000 = $800,000.1
3. Apply 20% Rate: 20% of $800,000 = $160,000.7
4. Final Credit Amount: The company is eligible for a $160,000 tax credit certificate, provided the $10 million program cap has not been exceeded.5

Statutory Caps and the Pro-Rata Allocation System

One of the most complex aspects of § 620.1039 is the management of the annual aggregate cap. The statute dictates that the total of all tax credits authorized in any calendar year shall not exceed $10 million.7 Furthermore, no single taxpayer may receive more than $300,000 in credits in a single year.1

The $5 Million Set-Aside

In an effort to promote equity and support smaller players in the innovation ecosystem, the statute requires that $5 million of the $10 million annual cap be reserved for minority business enterprises (MBE), women’s business enterprises (WBE), and small businesses.1

• Small Business Definition: Under § 620.1039.1(5), a small business is an entity that is independently owned and operated and employs 50 or fewer full-time employees.1
• MBE/WBE Definition: These are entities at least 51% owned and controlled by minorities or women, respectively.1

The DED allows for self-attestation of these statuses during the application process, although providing official governmental certification can simplify the audit phase.7 If the reserved $5 million is not fully allocated to these groups by November 1, the remaining funds are “released” to the general pool for all other eligible applicants.1

Allocation Priority and Oversubscription

Because the R&D credit is highly sought after, applications often exceed the available $10 million. The statute provides a specific hierarchy for the distribution of funds when oversubscription occurs.

1. New Business Priority: Businesses that are less than five years old are issued their credits in full first.4 This is a significant policy choice that favors startups over established corporations, recognizing that young companies are often more capital-constrained and more research-intensive relative to their size.2
2. Pro-Rata Allocation: Once all “new businesses” have been funded, the remaining credits are distributed on a pro-rata basis among all other eligible applicants.2

If, for example, the remaining general pool has $4 million available but has $8 million in eligible claims, each non-startup applicant would receive only 50% of their calculated credit.5 This creates a level of uncertainty for tax planners, as the final value of the credit depends on the total volume of applications across the entire state.8

Guidance from the Department of Economic Development and Department of Revenue

The administration of the R&D credit is a joint effort between two primary state agencies. The Department of Economic Development (DED) is responsible for the authorization and issuance of the credit certificates, while the Department of Revenue (DOR) manages the redemption of those credits on state tax returns.18

The Application and Certification Process

The program operates on an annual cycle that requires meticulous timing. Applications for the credit must be submitted to the DED through its designated electronic portal, currently “Submittable”.7

• Application Window: The portal typically opens on August 1 and closes on September 30 of each year.2
• Tax Period Alignment: An application filed during the 2024 window would cover research expenses incurred during the 2023 tax year.13
• Required Documentation: Applicants must provide a Missouri Tax Clearance Certificate, proving they are not delinquent on any state taxes, and a certificate of good standing from the Secretary of State.4 Crucially, they must also provide a copy of their federal IRS Form 6765, which serves as the evidentiary basis for their QRE claims.2

The 2.5% Issuance Fee

Pursuant to longstanding state policy and specific DED regulations, an issuance fee is applied to all discretionary and certain entitlement tax credit programs.2 Once an R&D credit application is approved, the DED will invoice the taxpayer for a fee equal to 2.5% of the credit amount authorized.20 The tax credit certificate—the legal document required to claim the credit—is not released until this fee is paid.20 These fees are directed toward the state’s Economic Development Advancement Fund to support the administration and marketing of Missouri’s business incentives.20

Claiming the Credit on Tax Returns

Once a business possesses a valid tax credit certificate, they must report it to the Department of Revenue using Form MO-TC (Miscellaneous Income Tax Credits).18

• Alpha Code and Benefit Number: Each credit is assigned a unique three-character alpha code (specific to the R&D program) and a benefit number found on the certificate.23
• Attachment Requirements: The taxpayer must attach the DED certificate to their return. For pass-through entities, the partnership or S-corporation must also provide a schedule or K-1 showing the distribution of the credit to individual partners or shareholders.18

Interaction with the Missouri Sales and Use Tax Code

One of the most significant, yet often overlooked, components of the R&D incentive package is the sales and use tax exemption for research equipment.2 This is distinct from the income tax credit authorized by § 620.1039, but it is inextricably linked to the definition of “Missouri qualified research”.1

The Scope of the Exemption

Under RSMo §§ 144.030 and 144.054, “Missouri qualified research and development equipment” is exempt from all state and local sales and use taxes.1 This exemption applies to tangible personal property that is:

1. New to the state of Missouri.1
2. Purchased for the purpose of research and development activities devoted to experimental or laboratory research for new products or processes.1

Mechanism for Realizing the Benefit

Unlike the $10 million capped income tax credit, the sales tax exemption is generally uncapped and “point-of-sale”.15 Businesses use Missouri Form 149 (Sales/Use Tax Exemption Certificate) to claim the exemption at the time of purchase from a vendor.26 This provides an immediate cash flow benefit by reducing the cost of high-value laboratory and testing equipment by the combined state and local tax rate, which can often exceed 8-10% depending on the municipality.6

This exemption is particularly valuable for manufacturers and biotech firms that require expensive, specialized machinery to test prototypes or develop new pharmaceutical compounds.6 The Missouri Supreme Court has historically interpreted these exemptions by looking for a “transformation” of material or a “new and distinct” item being created through the use of the equipment, reinforcing the need for the equipment to be an integral part of the R&D process.29

Monetization Strategies: Transferability and Carryforwards

For many high-growth technology companies, especially those in the early “burn” phase of development, their tax liability may be zero or significantly less than the amount of the credit they have earned. Section 620.1039 provides two key mechanisms to ensure these credits do not go to waste: transferability and a generous carryforward period.1

The 12-Year Carryforward

If a taxpayer cannot use the full amount of their credit to offset their Missouri tax liability in the year it was earned, the law allows the unused portion to be carried forward for up to 12 succeeding tax years.2 This is a substantial improvement over the 2001-2005 version of the statute, which only allowed a five-year carryforward.10 The 12-year window provides a long-term benefit for “patient capital,” allowing a startup to use its research-phase credits to offset the profits it generates a decade later once its products hit the market.2

Transfer, Sale, and Assignment

The Missouri R&D credit is fully transferable, meaning it can be sold to another taxpayer for cash.1 This effectively turns the tax credit into a grant for pre-revenue companies.

• The Process: To transfer a credit, the certificate holder must file a notarized endorsement with the DED that names the transferee and the amount of the credit being sold.1
• Market Value: While the statute does not dictate the price, these credits typically sell at a discount (often 85-95 cents on the dollar) to other Missouri taxpayers looking to reduce their own tax bills.2
• Impact on Startups: For a biotech startup with no revenue, selling a $100,000 tax credit for $90,000 in cash provides immediate liquidity to hire another researcher or purchase more supplies.2

Compliance, Accountability, and the Risk of Forfeiture

With state incentives comes the requirement for rigorous oversight. The Tax Credit Accountability Act of 2004 (TCAA) and subsequent amendments impose strict reporting mandates on any business that receives a credit under § 620.1039.23

Post-Issuance Reporting

Recipients are required to submit an annual TCAA report to the Department of Revenue by June 30 of each year for the three years following the issuance of the credit.2 This report is used to verify the “actual number of jobs created” and the overall economic impact of the tax expenditure.32

• Employment Verification: The state cross-references these reports with unemployment insurance data and other employment records.33
• Penalties for Non-Compliance: Failure to file these reports can lead to a suspension of the taxpayer’s ability to claim the credit or participate in other state incentive programs.18

Unauthorized Alien Provisions

Missouri has some of the nation’s strictest laws regarding the employment of unauthorized aliens in connection with state-funded incentives. Under §§ 135.815 and 285.530, any business entity that purposely and directly employs unauthorized aliens will forfeit all unused credits and must repay any credits already redeemed during that period.18 This is reinforced by the requirement that all applicants provide an E-Verify Memorandum of Understanding (MOU) as part of their initial application to the DED.2

Comparisons to Federal and Out-of-State Benchmarks

While § 620.1039 is based on federal definitions, it is uniquely “Missouri” in its execution. Understanding how it differs from the federal IRC § 41 credit and other states’ offerings is essential for multi-state corporate tax planning.

Missouri vs. Federal IRC § 41

The federal R&D credit offers two primary calculation methods: the Regular Research Credit (RRC) and the Alternative Simplified Credit (ASC). Missouri only allows an incremental method based on a simple three-year average.2 This makes the Missouri credit simpler to calculate but potentially less beneficial for companies with steady but non-growing research budgets.2

Furthermore, while the federal credit can be used to offset federal payroll taxes for “Qualified Small Businesses,” the Missouri credit is strictly an income tax offset (Chapters 143 and 148).1 However, the Missouri credit’s transferability offers a level of liquidity that the federal credit lacks for many C-corporations in a loss position.2

The Competitive Landscape

Missouri’s low corporate tax rate of 4% is among the lowest in the nation.16 However, a low rate also means that tax credits have a lower “marginal value” when used to offset one’s own liability.14 This is precisely why the transferability feature of § 620.1039 is so critical; it allows the value of the credit to be untethered from the taxpayer’s own low tax rate, as they can sell it to entities with higher liabilities.2

Conclusion: The Strategic Value of the § 620.1039 Revival

The revival of the Missouri Research and Development Tax Credit through § 620.1039 represents a major milestone in the state’s 21st-century industrial policy. By combining a growth-based income tax credit with an uncapped sales tax exemption for R&D equipment, Missouri has created a “one-two punch” designed to attract and retain high-tech firms. The statute’s intentional focus on additionality ensures that the state’s $10 million annual investment is directed toward new innovation rather than maintaining the status quo.

For the business owner or tax professional, navigating this landscape requires careful attention to the August-September application window, a clear understanding of the “Missouri-only” residency requirement for expenses, and a strategic view of how to best monetize the credits through either a 12-year carryforward or immediate sale. As the program heads toward its 2028 sunset, its impact will be measured not just in dollars authorized, but in the patents filed, the university partnerships forged, and the high-wage jobs created in the laboratories and testing facilities across the state. In the competitive arena of state economic development, § 620.1039 is Missouri’s clear signal that it intends to be a leader in the Midwestern innovation economy.

R&D Tax Credit Preparation Services

Swanson Reed is one of the only companies in the United States to exclusively focus on R&D tax credit preparation. Swanson Reed provides state and federal R&D tax credit preparation and audit services to all 50 states.

If you have any questions or need further assistance, please call or email our CEO, Damian Smyth on (800) 986-4725.
Feel free to book a quick teleconference with one of our national R&D tax credit specialists at a time that is convenient for you.

R&D Tax Credit Audit Advisory Services

creditARMOR is a sophisticated R&D tax credit insurance and AI-driven risk management platform. It mitigates audit exposure by covering defense expenses, including CPA, tax attorney, and specialist consultant fees—delivering robust, compliant support for R&D credit claims. Click here for more information about R&D tax credit management and implementation.

Our Fees

Swanson Reed offers R&D tax credit preparation and audit services at our hourly rates of between $195 – $395 per hour. We are also able offer fixed fees and success fees in special circumstances. Learn more at https://www.swansonreed.com/about-us/research-tax-credit-consulting/our-fees/