Iowa Department of Revenue Forms & Instructions
- ia-100-capital-gain-guide IA 100 — Iowa Capital Gain Deduction Information Guide
- ia-1040-inst IA 1040 — Iowa Individual Income Tax Expanded Instructions (booklet)
- ia-1041-inst IA 1041 Iowa Fiduciary Return Instructions
- ia-1065-estimated-inst IA 1065 Estimated Tax for Partnerships Instructions
- ia-1065-inst IA 1065 Instructions — Iowa Partnership Return of Income
- ia-1120-inst IA 1120 Iowa Corporation Income Tax Instructions
- ia-1120f-inst IA 1120F Iowa Franchise Tax Instructions (Financial Institutions)
- ia-1120s-estimated-inst IA 1120S Estimated Tax for S Corporations Instructions
- ia-1120s-inst IA 1120S Instructions — Iowa Income Tax Return of S Corporation
- ia-126-nonresident-credit IA 126 — Iowa Nonresident and Part-year Resident Credit Schedule (with instructions)
- ia-130-out-of-state-credit IA 130 — Iowa Out-of-State Tax Credit Schedule (with instructions)
- ia-148-inst IA 148 Iowa Tax Credits Schedule Instructions
- ia-2210-ai IA 2210 AI — Iowa Annualized Income Installment Method (with instructions)
- ia-2210-individuals IA 2210 — Iowa Underpayment of Estimated Tax by Individuals (with instructions)
- ia-2220-inst IA 2220 Underpayment of Estimated Tax by Corporations (with instructions)
- ia-2440-disability-exclusion IA 2440 — Iowa Disability Income Exclusion (with instructions)
- ia-32-028-sales-use-return Iowa Sales and Use Tax Return (with line-by-line instructions)
- ia-4136-fuel-tax-credit IA 4136 — Iowa Fuel Tax Credit (with instructions)
- ia-54-036-special-assessment-ptc Iowa Special Assessment Property Tax Credit Claim (with instructions)
- ia-cigarette-tobacco-uniformity-guide Iowa Cigarette and Tobacco Tax Uniformity Guide
- ia-nonresident-composite-agreement IA Nonresident Member Composite Agreement (with instructions)
- ia-pte-c-inst IA PTE-C Instructions — Iowa Composite Return (PTET election + composite)
- ia-sf-2472-homestead-exemption Application of Homestead Tax Exemption (SF 2472)
- ia-w-4 IA W-4 — Employee Withholding Allowance Certificate (with instructions)
- ia-w-4p IA W-4P — Withholding Certificate for Pension or Annuity Payments (with instructions)