Nys-dtf-ct May 2026

: Used by corporations to report changes to unrelated business income or claim overpayments. Key Publications and Guidelines

The most "interesting" aspect for filers currently is the . Primary Corporation Tax Forms nys-dtf-ct

: Most corporation tax extensions and estimated tax payments must be filed electronically . Paper versions of these extensions (except Form CT-5.1) are generally no longer accepted for processing. : Used by corporations to report changes to

: For forms that still allow manual entry, the NYS DTF website provides enhanced fill-in versions that automate basic math to reduce errors. Paper versions of these extensions (except Form CT-5

: Previously used for certain tax payments, these are no longer supported for paper processing as of recent tax years.

: Provides specific procedures for e-filers and software developers participating in the NYSDTF program. Important Filing Note