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Category Form
File Name File Category File Format
2017 Instructions CO-421 2017 Instructions CO-421, Unitary Affiliate Schedule - Unitary Filing Only (173.19 KB) Form PDF
2018 Instructions CO-421 Tax Year 2018 Instructions CO-421, Unitary Affiliate Schedule - Unitary Filing Only (196.69 KB) Form PDF
2018 Instructions CO-420 Tax Year 2018 Instructions CO-420, Foreign Dividend Factor Increments - Unitary Filing Only (165.14 KB) Form PDF
2017 Instructions CO-420 2017 Instructions CO-420, Foreign Dividend Factor Increments - Unitary Filing Only (149.3 KB) Form PDF
2018 Schedule CO-420 Tax Year 2018 Schedule CO-420, Foreign Dividend Factor Increments (for unitary-combined only) (164.22 KB) Form PDF
2017 Schedule CO-420 2017 Schedule CO-420, Foreign Dividend Factor Increments (for unitary-combined only) (130.07 KB) Form PDF
2018 Instructions BI-473 Tax Year 2018 Instructions BI-473, Composite Schedule (167.52 KB) Form PDF
2018 Schedule CO-419 Tax Year 2018 Schedule CO-419, Apportionment Of Foreign Dividends (for Unitary-Combined only) (155.28 KB) Form PDF
2017 Schedule CO-419 2017 Schedule CO-419, APPORTIONMENT OF FOREIGN DIVIDENDS (for Unitary-Combined only) (175.01 KB) Form PDF
2017 Instructions CO-419 2017 Instructions CO-419, Apportionment of Foreign Dividends - Unitary Filing Only (146.77 KB) Form PDF