Iowa S-Corporations Form Availability (print only)
Form IA 1120S, Income Tax Return for an S Corporation
01/15/2026
Form IA 2848, Power of Attorney
01/15/2026
Form IA 4562B, IA Depreciation Accumulated Adjustment Schedule
01/15/2026
Form IA 4562A, Depreciation Adjustment Schedule
01/15/2026
Form IA 128, Research Activities Tax Credit
01/15/2026
Form IA 102, Amended Return Schedule
01/15/2026
Iowa Composite Return
01/15/2026
Form IA 4136, Computation of Motor Fuel Tax Credit
01/15/2026
Form IA 163, Interest Expense Adjustments
01/15/2026
IA 101, Iowa Non Conformity Worksheet
01/15/2026
Form IA 133, New Jobs Tax Credit
01/15/2026
Schedule K-1, Shareholder's Share of Income
01/15/2026
Form IA 96-048, Iowa Tax Payment Voucher - PTEC
01/15/2026
Schedule CC
01/15/2026