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Forms Forms and Instructions |
| Form 926 Return by a U.S. Transferor of Property to a Foreign Corporation |  |
| Form 1120 U.S. Corporation Income Tax Return | | |
| Instructions for Form 1120, U.S. Corporation Income Tax Return |
| Form 1120-F U.S. Income Tax Return of a Foreign Corporation | | |
| Instructions for Form 1120-F, U.S. Income Tax Return of a Foreign Corporation |
| Form 1120-FSC U.S. Income Tax Return of a Foreign Sales Corporation | | |
| Instructions for Form 1120-FSC, U.S. Income Tax Return of a Foreign Sales Corporation |
| Form 1120-S U.S. Income Tax Return for an S Corporation | | |
| Instructions for Form 1120-S, U.S. Income Tax Return for an S Corporation |
| Form 1120-X Amended U.S. Corporation Income Tax Return | |
| Form 5472 Information Return of a 25% Foreign-Owned U.S. Corporation or a Foreign Corporation Engaged in a U.S. Trade or Business | |
| Form 8453 U.S. Individual Income Tax Transmittal for an IRS e-file Return | |
| Form 8453 (SP) U.S. Individual Income Tax Declaration for an IRS e-file Return (Spanish version) | |
| Form 8453-B U.S. Electing Large Partnership Declaration for an IRS e-file Return | |
| Form 8453-PE U.S. Partnership Declaration for an IRS e-file Return | |
| Form 8453-S U.S. S Corporation Income Tax Declaration for an IRS e-file Return | |
| Form 8879-C IRS e-file Signature Authorization for Form 1120 | |
| Form 8879-EO IRS e-file Signature Authorization for an Exempt Organization | |
| Form 8879-I IRS e-file Signature Authorization for Form 1120-F | |
