Iowa Research Activities Credit (RAC) Glossary
Quick Answer Capsule
What is the Iowa Research Activities Credit? This glossary defines key terms, statutes, and tax structures for the Iowa Research Activities Credit (RAC). It outlines qualifying expenses, calculation methods like the Regular Credit and ASC, and eligibility rules established by the Iowa Department of Revenue and federal guidelines (IRC § 41).
Glossary of Terms
| Glossary Term & Link | Definition |
|---|---|
| Research Activities Credit (RAC) | An Iowa tax incentive rewarding businesses for conducting qualified research and development within the state. |
| Iowa Code § 422.33(5) (Corporate Tax) | The primary Iowa statutory section governing the corporate income tax research activities credit provisions. |
| Iowa Code § 422.10 (Individual Tax) | The Iowa statute detailing the research activities credit applicable to individual state income taxpayers. |
| Iowa Department of Revenue (IDOR) | The state agency responsible for administering tax laws and evaluating Iowa research credit claims. |
| Qualified Research Expenses (QREs) in Iowa | Specific costs for wages, supplies, and contract research tied directly to qualifying Iowa research activities. |
| Internal Revenue Code (IRC) § 41 | The federal tax code section defining qualified research expenses, extensively mirrored by Iowa state law. |
| Federal Alignment (Claiming IRC § 41 Credit) | Iowa’s regulatory requirement that businesses must generally claim the federal research credit to qualify statewide. |
| Base Amount (for Regular Credit) | A calculated historical spending baseline that current year research expenses must exceed to generate credits. |
| Fixed-Base Percentage | A required ratio of historical research expenses to gross receipts used to calculate the base amount. |
| Average Annual Gross Receipts (4 Preceding Years) | The average business revenue over the four preceding tax years, utilized in credit base computations. |
| Incremental Research Expenditures | Qualifying annual research expenses that successfully exceed the established base amount to generate the credit. |
| Regular Credit Method (6.5% Rate) | The standard Iowa credit calculation method applying a 6.5% rate to qualifying incremental research expenses. |
| Alternative Simplified Credit (ASC) | An alternative calculation method beneficial for companies lacking historical data or experiencing rapid revenue growth. |
| ASC Rate (4.55% of excess QREs) | The specific Iowa percentage applied to research expenses exceeding 50% of the prior three-year average. |
| Basic Research Payments | Qualifying financial contributions made to eligible organizations, like universities, to advance basic scientific knowledge. |
| Iowa Apportioned Share | The specific percentage of a taxpayer’s total research activities strictly occurring within the state of Iowa. |
| Supplemental Research Activities Tax Credit | An additional Iowa credit tier available to businesses awarded participation in specific economic development programs. |
| Iowa Economic Development Authority (IEDA) | The state authority regulating business incentive programs that grant access to supplemental research tax credits. |
| High Quality Jobs (HQJ) Program | An IEDA program providing state tax benefits, including supplemental RAC, for creating high-paying jobs. |
| Enterprise Zone (EZ) Program (Prior Supplemental Credit Source) | A former state initiative that historically provided supplemental research credits to participating targeted businesses. |
| Refundable Credit (Subject to Phase-Down Limits) | A credit type that yields a cash refund for excess amounts, subject to new phase-down limitations. |
| Refundable Portion Percentage (e.g., 80% for 2024) | The statutorily decreasing percentage of an excess Iowa research credit that remains eligible for cash refunds. |
| Unused Credit (Credited to Following Year) | The non-refundable fraction of a research credit that is typically carried forward to offset future taxes. |
| No Carryforward (for refundable excess) | The rule stipulating that the unrefunded portion of excess refundable credit cannot be carried to future years. |
| Tax Credit Certificate Number (for Supplemental Credit) | A unique alphanumeric identifier issued by the IEDA necessary to claim supplemental research activities credits. |
| Schedule IA 128 (Regular Credit Form) | The specific tax form provided by IDOR used to calculate and report the regular research credit. |
| Schedule IA 128S (Alternative Simplified Credit Form) | The official IDOR tax document utilized for computing the Alternative Simplified Research Activities Credit. |
| Pass-Through Entity (PTE) | Business structures like S-corporations or partnerships that directly pass generated research credits to their individual owners. |
| Pro Rata Share of Earnings (PTE Allocation) | The proportional allocation of a pass-through entity’s tax credits to partners based on their ownership stakes. |
| Wages for Qualified Services (in Iowa) | W-2 taxable compensation paid to employees directly performing, supporting, or supervising qualified research within Iowa. |
| Cost of Supplies (Phase-Out Limitation) | Expenditures for tangible property consumed during research, increasingly limited by recent Iowa legislative phase-out rules. |
| Supplies Phase-Out Percentage (e.g., 60% for 2024) | The declining percentage of supply costs eligible for credit inclusion under recent Iowa tax reforms. |
| Rental/Lease Cost of Personal Property (Disallowed Post-2022) | Costs for renting equipment for research, explicitly disallowed as qualifying expenses in Iowa starting in 2023. |
| Contract Research Expenses (65% in Iowa) | Payments made to third-party contractors for research, typically allowable at 65% of the total incurred cost. |
| Qualified Research (IRC § 41(d) Four-Part Test) | The mandatory federal criteria determining if a project’s activities legally qualify for the research tax credit. |
| Technological in Nature | A requirement that the research firmly relies on principles of physical, biological, computer, or engineering sciences. |
| Elimination of Uncertainty | The research intention to definitively resolve technical unknowns regarding product design, capability, or development methodology. |
| Process of Experimentation | The systematic evaluation of multiple alternatives through modeling, simulation, or physical testing to overcome technical hurdles. |
| Substantially All Rule (Disallowed Post-2022) | A prior tax calculation rule related to supplies that Iowa legislation officially disallowed for periods post-2022. |
| New or Improved Business Component | The intended end result of the research, which can include products, processes, software, techniques, or formulas. |
| Manufacturing (Qualifying Industry) | An eligible sector frequently utilizing the RAC to offset costs for developing advanced manufacturing processes locally. |
| Life Sciences (Qualifying Industry) | An industry encompassing biological, pharmaceutical, and agricultural research, highly eligible for state and federal credits. |
| Agriscience (Qualifying Industry) | Research specifically targeting the improvement of farming methods, crop resilience, or livestock yields in Iowa. |
| Software Engineering (Qualifying Industry) | The programming and development of novel software architectures, representing a heavily claimed sector for research credits. |
| Aviation or Aerospace (Qualifying Industry) | The specialized field dedicated to developing and testing aircraft parts and aerospace engineering prototypes. |
| Ineligible Businesses (e.g., Retailer, Wholesaler) | Commercial sectors generally excluded from Iowa research credits due to a lack of technical experimental activities. |
| Annual Gross Revenue Threshold ($20 Million for Supplemental Rate) | A critical revenue benchmark determining the percentage tier a company may claim for supplemental research credits. |
| Renewable Energy Components Research Activities Credit | A targeted state incentive rewarding the engineering and development of components intended for renewable energy generation. |
| Senate File 657 (Future Repeal Legislation) | Recent Iowa legislation outlining the phase-down limits and eventual future sunset of certain credit refundability provisions. |
| Taxable Year | The established 12-month accounting period a business utilizes to calculate its operational income and tax liabilities. |
