The TaxSlayer Pro desktop program supports the following District of Columbia Business forms.
| Form D-20 | Corporation Franchise Tax Return |
| Form D-20CR | QHTC Corporate Business Tax Credits |
| Form D-20E | DC Corporation Franchise Tax Declaration for Electronic Filing |
| Form D-20ES | Declaration of Estimated Franchise Tax for Corporations |
| Form D-20P | Payment Voucher for Corporation Franchise Tax |
| Form D-2220 | Underpayment of Estimated Franchise Tax By Businesses |
| Form D-30 | Unincorporated Business Franchise Tax Return |
| Form D-30E | DC Unincorporated Business Tax Declaration for Electronic Filing |
| Form D-30ES | Unincorporated Business Declaration of Estimated Franchise Tax |
| Form D-30P | Payment Voucher for Unincorporated Franchise Tax |
| Form D-41 | Fiduciary Income Tax Return |
| Form D-41E | DC Fiduciary (Estate or Trust) Declaration for Electronic Filing |
| Form D-41ES | Estimated Payment for Fiduciary Income Tax |
| Form D-41P | Payment Voucher for Fiduciary Income Tax |
| Form D-65 | Partnership Return of Income |
| Form D-65E | DC Partnership Return of Income Declaration for Electronic Filing |
| Form FR-120 | Extension of Time to File a DC Corporation Franchise Tax Return |
| Form FR-127F | Extension of Time to File Fiduciary Income Tax Return |
| Form FR-130 | Extension of Time to File a DC Unincorporated Business Franchise Tax Return |
| Form FR-165 | Extension of Time to File DC Partnership Return |
| Schedule UB |
Business Credits (for Forms D-20 and D-30) |
Additional Information: