| Form IA 100 | Capital Gain Deduction 41-160 | 11/25/2015 |
| Form IA 1040 | Return | 11/20/2015 |
| Form IA 1040C | Composite Return 41-006 | 12/03/2015 |
| Form IA 1040ES | Estimated Tax coupons for 2016 45-002 | 02/03/2016 |
| IA 1040-Schd-A | Schedule A 41-004 | 11/30/2015 |
| IA 1040-Schd-B | Schedule B 41-029 | 01/20/2016 |
| Form IA 1041 | Fiduciary Return 63-001 | 11/18/2015 |
| IA 1041-Schd-C | Schedule C Computation of Nonresident's Tax Credit 63-003 | 11/12/2015 |
| Form IA 1041V | Iowa Fiduciary Income Tax Payment Voucher 63-007 | 12/09/2015 |
| IA 104-Wkst | Itemized Deduction Worksheet 41-104 | 09/11/2015 |
| Form IA 1065 | K-1 Partnership Return 41-016 | 11/17/2015 |
| Form IA 1120 | Iowa Corporation Income Tax Return 42-001 | 12/04/2015 |
| Form IA 1120ES | Corporate Estimate Tax Payment Voucher 45-004 | 12/09/2015 |
| Form IA 1120SchF | Schedules F and G Net Operating and Alternative Minimum Tax Loss Carryovers 42-020 | 12/09/2015 |
| Form IA 1120SchH | Schedule H Computation of Federal Tax Refund/Deduction 42-021 | 12/09/2015 |
| Form IA 1120SchIJ | Schedules I and J IA 851 Affiliation/Consolidated Business Activity Ratio 42-022 | 12/09/2015 |
| Form IA 1120SchL | Schedule L Iowa Nexus Adjustment | 09/30/2015 |
| Form IA 1120V | Iowa Corporation Income Tax Payment Voucher 42-019 | 12/10/2015 |
| Form IA 1120X | Iowa Amended Corporation Income Tax Return 42-024 | 11/06/2015 |
| Form IA 1139-CAP | 42-028 | 12/04/2015 |
| Form IA 126 | Nonresident / Part-Year Resident Credit 41-126 | 12/16/2015 |
| Form IA 128 | Iowa Research Activities Credit 41-128 | 12/10/2015 |
| Form IA 128S | Iowa Alternative Simplified Research Activities Credit 41-124 | 12/10/2015 |
| Form IA 130 | Out-of-State Tax Credit 41-130 | 12/01/2015 |
| Form IA 133 | New Jobs Tax Credit Worksheet 41-133 | 11/25/2015 |
| Form IA 134 | S Corporation Apportionment Credit 41-134 | 12/16/2015 |
| Form IA 135 | E85 Gasoline Promotion Tax Credit 41-150 | 12/02/2015 |
| Form IA 137 | Ethanol Promotion Tax Credit 41-151 | 12/09/2015 |
| Form IA 138 | E15 Plus Gasoline Promotion Tax Credit 41-152 | 12/10/2015 |
| Form IA 147 | Franchise Tax Credit 41-147 | 12/01/2015 |
| Form IA 148 | Tax Credits Schedule 41-148 | 12/10/2015 |
| Form IA 2210 | Underpayment of Estimated Tax by Individuals 45-007 | 12/02/2015 |
| Form IA 2210-AI | Schedule AI Annualized Income Installment Method 45-011 | 11/30/2015 |
| Form IA 2210F | Underpayment of Estimated Tax by Farmers/Fishers 45-008 | 12/02/2015 |
| Form IA 2210S | Short Method Underpayment of Estimated Tax by Individuals 45-012 | 12/02/2015 |
| Form IA 2220 | Underpayment of Estimated Tax 45-006 | 12/04/2015 |
| Form IA 2440 | Disability Income Exclusion 41-127 | 12/07/2015 |
| Form IA 4136 | Computation of Iowa Motor Fuel Tax Credit 41-036 | 11/10/2015 |
| Form IA 4562A | Iowa Depreciation Adjustment Schedule 41-105 | 12/01/2015 |
| Form IA 4562B | Iowa Depreciation Accumulated Adjustment Schedule Prior Years 41-106 | 12/01/2015 |
| Form IA 6251 | Iowa Minimum Tax Computation 41-131 | 12/01/2015 |
| Form IA 6251B | Balance Sheet or Statement of Net Worth 41-135 | 12/09/2015 |
| Form IA 8801 | Credit for Prior-Year Minimum Tax for Individuals, Estates, and Trusts 41-009 | 12/10/2015 |
| Form IA 8864 | Biodiesel Blended Fuel Tax Credit 41-149 | 02/04/2016 |
