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Forms Forms and Instructions |
| Form 8878 IRS e-file Signature Authorization for Form 4868 or Form 2350 |  |
| Form 8878 (SP) IRS e-file Signature Authorization for Application for Extension of Time to File Form 4868 (SP) or Form 2350 (SP) (Spanish version) | |
| Form 8878-A IRS e-file Electronic Funds Withdrawal Authorization for Form 7004 | |
| Form 8879 IRS e-file Signature Authorization | |
| Form 8879 (SP) IRS e-file Signature Authorization (Spanish version) | |
| Form 8879-B IRS e-file Signature Authorization for Form 1065-B | |
| 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-F IRS e-file Signature Authorization for Form 1041 | |
| Form 8879-I IRS e-file Signature Authorization for Form 1120-F | |
| Form 8879-PE IRS e-file Signature Authorization for Form 1065 | |
| Form 8879-S IRS e-file Signature Authorization for Form 1120S | |
