2021 ETP, Employer Transit Pass Credit
https://www.revenue.state.mn.us/sites/default/files/2021-12/etp_21.pdf
2021 M4, Corporation Franchise Tax Instructions (including M4I, M4A, and M4T)
https://www.revenue.state.mn.us/sites/default/files/2024-04/m4-inst-21.pdf
2021 AFF, Affiliations for Combined Returns
https://www.revenue.state.mn.us/sites/default/files/2021-12/aff_20.pdf
2021 AMTI, Alternative Minimum Tax (Calculation of Income)
https://www.revenue.state.mn.us/sites/default/files/2021-12/amti_21.pdf
2021 AMTT, Alternative Minimum Tax (Calculation of Tax)
https://www.revenue.state.mn.us/sites/default/files/2021-12/amtt_21.pdf
2021 DIV, Deduction for Dividends Received
https://www.revenue.state.mn.us/sites/default/files/2021-12/div_21.pdf
2021 M4, Corporation Franchise Tax Return (including M4I, M4A, and M4T)
https://www.revenue.state.mn.us/sites/default/files/2024-01/m4-series-21-0.pdf
2021 M4NC, Federal Adjustments
https://www.revenue.state.mn.us/sites/default/files/2023-01/m4NC_21.pdf
2021 M4R, Minnesota Business Activity Report
https://www.revenue.state.mn.us/sites/default/files/2021-12/m4r_21.pdf
2021 M4X, Amended Corporation Franchise Tax Return
https://www.revenue.state.mn.us/sites/default/files/2023-01/m4x_21.pdf