2021 Schedule CO-420 Form Mon, 01/24/2022 - 12:00 Tax Year 2021 Schedule CO-420, Foreign Dividend Factor Increments (for unitary-combined only) Read more about 2021 Schedule CO-420
2021 Instructions CO-419 Form Mon, 01/24/2022 - 12:00 Tax Year 2021 Instructions CO-419, Apportionment of Foreign Dividends - Unitary Filing Only Read more about 2021 Instructions CO-419
2021 Schedule CO-419 Form Mon, 01/24/2022 - 12:00 Tax Year 2021 Schedule CO-419, Apportionment Of Foreign Dividends (for Unitary-Combined only) Read more about 2021 Schedule CO-419
2021 Form CO-414 Form Mon, 01/24/2022 - 12:00 Tax Year 2021 Form CO-414, Corporate Estimated Tax Payment Voucher Read more about 2021 Form CO-414
2021 Instructions CO-411 Form Mon, 01/24/2022 - 12:00 Tax Year 2021 Instructions CO-411, Corporate Income Tax Return Read more about 2021 Instructions CO-411
2021 Instructions CO-420 Form Mon, 01/24/2022 - 12:00 Tax Year 2021 Instructions CO-420 Instructions Foreign Dividend Factor Increments (for Unitary-Combined Only) Read more about 2021 Instructions CO-420
Allocation and Apportionment Regulation Regulation Wed, 12/01/2021 - 12:00 Please be aware that if statute has changed since the adoption of the regulation, the statute supersedes the regulation. Regulation 1.5833 Read more about Allocation and Apportionment Regulation
TY2021 Corporate and Business Income Tax MeF Guide Tue, 11/23/2021 - 12:00 Handbook on Corporate & Business Income Tax Modernized e‐File (MeF) for Tax Year 2021 Read more about TY2021 Corporate and Business Income Tax MeF
2019 Form CO-411 Form Mon, 01/11/2021 - 12:00 Tax Year 2019 Form CO-411, Corporate Income Tax Return Read more about 2019 Form CO-411
2019 Instructions CO-411 Form Mon, 01/11/2021 - 12:00 Tax Year 2019 Instructions CO-411, Corporate Income Tax Return Read more about 2019 Instructions CO-411