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Tax Topics
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| Form 1040-X Amended U.S. Individual Income Tax Return | ![]() |
| 1040-X Instructions for Form 1040-X, Amended U.S. Individual Income Tax Return |
| Form 1045 Application for Tentative Refund | ![]() |
| 1045 Instructions for Form 1045, Application for Tentative Refund |
| Form 1138 Extension of Time For Payment of Taxes By a Corporation Expecting a Net Operating Loss Carryback | ![]() |
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| Publication 536 Net Operating Losses (NOLs) for Individuals, Estates, and Trusts | ![]() |