Forms - Corporation Income Tax Displaying 121 - 135 of 190 results. Name Year - Any - 2026 2025 2024 2023 2022 2021 2020 2019 2018 Individual Income Tax Corporation Income Tax Fiduciary Tax Franchise Income Tax Partnership Income Tax S Corporation Income Tax Form IA 101 Nonconformity Adjustments 42-029 112.53 KB .pdf December 20, 2019 Corporation Income Tax Form IA 1120 Iowa Corporation Income Tax Return 42-001 637.76 KB .pdf December 20, 2019 Corporation Income Tax Form IA 1120 Long Form Instructions 42-002 87.01 KB .pdf December 20, 2019 Corporation Income Tax Form IA 1120S Iowa Income Tax Return for S Corporations 42-004 224.36 KB .pdf December 20, 2019 Corporation Income Tax Form IA 1120S Schedule K-1 42-008 265.37 KB .pdf December 20, 2019 Corporation Income Tax Form IA 1120S/K-1 Instructions 42-005 57.32 KB .pdf December 20, 2019 Corporation Income Tax Form IA 2220 Underpayment of Estimated Tax 45-006 530.85 KB .pdf December 20, 2019 Corporation Income Tax Form IA 8827 Corporate Iowa Alternative Minimum Tax/Tax Credit 42-015 83.62 KB .pdf December 20, 2019 Individual Income Tax Corporation Income Tax Fiduciary Tax Partnership Income Tax Form IA 128 Iowa Research Activities Credit 41-128 301.84 KB .pdf December 18, 2019 Individual Income Tax Corporation Income Tax Fiduciary Tax Partnership Income Tax Form IA 128S Iowa Alternative Simplified Research Activities Credit 41-124 530.78 KB .pdf December 18, 2019 Individual Income Tax Corporation Income Tax Fiduciary Tax Form IA 134 S Corporation Apportionment Credit 41-134 66.36 KB .pdf December 18, 2019 Individual Income Tax Corporation Income Tax Fiduciary Tax Partnership Income Tax Form IA 135 E85 Gasoline Promotion Tax Credit 41-150 70.38 KB .pdf December 18, 2019 Individual Income Tax Corporation Income Tax Fiduciary Tax Partnership Income Tax Form IA 137 Ethanol Promotion Tax Credit 41-151 399.96 KB .pdf December 18, 2019 Individual Income Tax Corporation Income Tax Fiduciary Tax Partnership Income Tax Form IA 138 E15 Plus Gasoline Promotion Tax Credit 41-152 65.6 KB .pdf December 18, 2019 Individual Income Tax Corporation Income Tax Franchise Income Tax Form IA 148 Tax Credits Instructions 41-153 372.75 KB .pdf December 18, 2019 Pagination First page First Previous page Prev … Page 7 Page 8 Current page 9 Page 10 Page 11 Page 12 … Next page Next Last page Last Secondary Navigation Menu Common Forms Applications and Other Cigarette & Tobacco Tax Corporation Income Tax Fiduciary Tax Franchise Income Tax Fuel Tax Individual Income Tax Inheritance Tax Insurance & Licensing Partnership Income Tax Property Taxes S Corporation Income Tax Sales & Use Tax Vehicle Purchase and Lease Withholding Tax
Displaying 121 - 135 of 190 results. Name Year - Any - 2026 2025 2024 2023 2022 2021 2020 2019 2018 Individual Income Tax Corporation Income Tax Fiduciary Tax Franchise Income Tax Partnership Income Tax S Corporation Income Tax Form IA 101 Nonconformity Adjustments 42-029 112.53 KB .pdf December 20, 2019 Corporation Income Tax Form IA 1120 Iowa Corporation Income Tax Return 42-001 637.76 KB .pdf December 20, 2019 Corporation Income Tax Form IA 1120 Long Form Instructions 42-002 87.01 KB .pdf December 20, 2019 Corporation Income Tax Form IA 1120S Iowa Income Tax Return for S Corporations 42-004 224.36 KB .pdf December 20, 2019 Corporation Income Tax Form IA 1120S Schedule K-1 42-008 265.37 KB .pdf December 20, 2019 Corporation Income Tax Form IA 1120S/K-1 Instructions 42-005 57.32 KB .pdf December 20, 2019 Corporation Income Tax Form IA 2220 Underpayment of Estimated Tax 45-006 530.85 KB .pdf December 20, 2019 Corporation Income Tax Form IA 8827 Corporate Iowa Alternative Minimum Tax/Tax Credit 42-015 83.62 KB .pdf December 20, 2019 Individual Income Tax Corporation Income Tax Fiduciary Tax Partnership Income Tax Form IA 128 Iowa Research Activities Credit 41-128 301.84 KB .pdf December 18, 2019 Individual Income Tax Corporation Income Tax Fiduciary Tax Partnership Income Tax Form IA 128S Iowa Alternative Simplified Research Activities Credit 41-124 530.78 KB .pdf December 18, 2019 Individual Income Tax Corporation Income Tax Fiduciary Tax Form IA 134 S Corporation Apportionment Credit 41-134 66.36 KB .pdf December 18, 2019 Individual Income Tax Corporation Income Tax Fiduciary Tax Partnership Income Tax Form IA 135 E85 Gasoline Promotion Tax Credit 41-150 70.38 KB .pdf December 18, 2019 Individual Income Tax Corporation Income Tax Fiduciary Tax Partnership Income Tax Form IA 137 Ethanol Promotion Tax Credit 41-151 399.96 KB .pdf December 18, 2019 Individual Income Tax Corporation Income Tax Fiduciary Tax Partnership Income Tax Form IA 138 E15 Plus Gasoline Promotion Tax Credit 41-152 65.6 KB .pdf December 18, 2019 Individual Income Tax Corporation Income Tax Franchise Income Tax Form IA 148 Tax Credits Instructions 41-153 372.75 KB .pdf December 18, 2019 Pagination First page First Previous page Prev … Page 7 Page 8 Current page 9 Page 10 Page 11 Page 12 … Next page Next Last page Last Secondary Navigation Menu Common Forms Applications and Other Cigarette & Tobacco Tax Corporation Income Tax Fiduciary Tax Franchise Income Tax Fuel Tax Individual Income Tax Inheritance Tax Insurance & Licensing Partnership Income Tax Property Taxes S Corporation Income Tax Sales & Use Tax Vehicle Purchase and Lease Withholding Tax
Individual Income Tax Corporation Income Tax Fiduciary Tax Franchise Income Tax Partnership Income Tax S Corporation Income Tax Form IA 101 Nonconformity Adjustments 42-029 112.53 KB .pdf December 20, 2019
Corporation Income Tax Form IA 1120 Iowa Corporation Income Tax Return 42-001 637.76 KB .pdf December 20, 2019
Corporation Income Tax Form IA 1120S Iowa Income Tax Return for S Corporations 42-004 224.36 KB .pdf December 20, 2019
Corporation Income Tax Form IA 2220 Underpayment of Estimated Tax 45-006 530.85 KB .pdf December 20, 2019
Corporation Income Tax Form IA 8827 Corporate Iowa Alternative Minimum Tax/Tax Credit 42-015 83.62 KB .pdf December 20, 2019
Individual Income Tax Corporation Income Tax Fiduciary Tax Partnership Income Tax Form IA 128 Iowa Research Activities Credit 41-128 301.84 KB .pdf December 18, 2019
Individual Income Tax Corporation Income Tax Fiduciary Tax Partnership Income Tax Form IA 128S Iowa Alternative Simplified Research Activities Credit 41-124 530.78 KB .pdf December 18, 2019
Individual Income Tax Corporation Income Tax Fiduciary Tax Form IA 134 S Corporation Apportionment Credit 41-134 66.36 KB .pdf December 18, 2019
Individual Income Tax Corporation Income Tax Fiduciary Tax Partnership Income Tax Form IA 135 E85 Gasoline Promotion Tax Credit 41-150 70.38 KB .pdf December 18, 2019
Individual Income Tax Corporation Income Tax Fiduciary Tax Partnership Income Tax Form IA 137 Ethanol Promotion Tax Credit 41-151 399.96 KB .pdf December 18, 2019
Individual Income Tax Corporation Income Tax Fiduciary Tax Partnership Income Tax Form IA 138 E15 Plus Gasoline Promotion Tax Credit 41-152 65.6 KB .pdf December 18, 2019
Individual Income Tax Corporation Income Tax Franchise Income Tax Form IA 148 Tax Credits Instructions 41-153 372.75 KB .pdf December 18, 2019
