Iowa research and development tax credit

Tax credit

Official program guidance

Agency: Iowa Economic Development Authority. Agency source

This directory is not tax advice. Confirm eligibility, tax-year rules, deadlines and filing requirements with a tax professional.

2026 certification window ended; separate annual credit window [Iowa 2026 research-credit program guidance]

Who qualifies
Businesses certified by IEDA as a qualified industry and incurring eligible Iowa research expenses. [Iowa 2026 research-credit program guidance]
What it’s worth
Up to 3.5% of eligible expenses; refundable, nontransferable and prorated against the $40 million program allocation. [Iowa 2026 research-credit program guidance]
How to claim
First apply for qualified-business certification, then submit the annual tax-credit application through IEDA. The guidance describes agency applications rather than a numbered tax form. [Iowa 2026 research-credit program guidance]
Deadlines and application windows
Certification applications: February 2–September 30. Annual credit applications: September 1–January 31; annual reports due January 31. Confirm the expense year for your application. [Iowa 2026 research-credit program guidance]

Amounts are subject to the conditions in each listing. A source review does not mean applications are open or that a business qualifies.

Official sources

Listing reviewed