Corporation tax extension request instructions
| Form number | Instructions |
|---|---|
| CT-5-I | Instructions for Form CT-5, Request for Six-Month Extension to File (for franchise/business taxes, MTA surcharge, or both) |
| CT-5.1-I | Instructions for Form CT-5.1, Request for Additional Extension of Time to File (for franchise/business taxes, MTA surcharge, or both) |
| CT-5.3-I | Instructions for Form CT-5.3, Request for Six-Month Extension to File (for combined franchise tax return, or combined MTA surcharge return, or both) |
| CT-5.4-I | Instructions for Form CT-5.4, Request for Six-Month Extension to File New York S Corporation Franchise Tax Return |
| CT-5.6-I | Instructions for Form CT-5.6, Request for Three-Month Extension to File Form CT-186 (for utility corporation franchise tax return, MTA surcharge return, or both) |
| CT-5.9-I | Instructions for Form CT-5.9, Request for Three-Month Extension to File (for certain Article 9 tax returns, MTA surcharge, or both) |
| CT-5.9-E-I | Instructions for Form CT-5.9-E, Request for Three-Month Extension to File Form CT-186-E (for telecommunications tax return and utility services tax return) |
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