The TaxSlayer Pro desktop program supports the following Iowa Business forms.
| IA Form 101 | Nonconformity Adjustments |
| IA Form 102 | Amended Return Schedule |
| IA Form 1041 | Iowa Fiduciary Return |
| IA Form 1041 K-1 | Iowa Fiduciary K-1 |
| IA Form 1041V | Iowa Fiduciary Income Tax Payment Voucher |
| IA Form 1065 | Iowa Partnership Return of Income |
| IA Partner Information Sheet | Schedule of Partner or Shareholder Information |
| IA Form 1065 Schedule K-1 | Partner’s Share of Iowa Income, Deductions, Modifications |
| IA Form 1120 | Iowa Corporation Income Tax Return |
| IA Schedule D | Nonbusiness Income for Corporations, Partnerships, and S Corporations |
| IA 1120ES | Corporate Estimate Tax Payment Voucher |
| IA 1120V | Iowa Tax Payment Voucher |
| IA Form 1120S | Iowa Income Tax Return for S Corporation |
| IA Form 1120-S Sch. K-1 | Shareholder’s Share of Iowa Income, Deductions, Modifications |
| IA Form 1120X | Iowa Amended Corporation Income Tax Return |
| IA Form 124 | Net Operating Loss (NOL) Adjustment Schedule |
| IA Form 2220 | Underpayment of Estimated Tax |
| IA Form 4562A | Iowa Depreciation Adjustment Schedule |
| IA Form 4562B | Iowa Accumulated Depreciation Adjustment Schedule |
| IA Form 8453-C | Iowa Corporation Income Tax Declaration for an e-File Return |
| IA Form 8453-S | Iowa S Corporation Declaration for an e-File Return |
| IA Form 8453-PE | Iowa Partnership Declaration for an e-File Return |
| IA Form 8827 | Iowa Alternative Minimum Tax Credit (2021 and prior) |
Additional Information: