: For forms that still allow manual entry, the NYS DTF website provides enhanced fill-in versions that automate basic math to reduce errors.
: 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. nys-dtf-ct
: Provides specific procedures for e-filers and software developers participating in the NYSDTF program. Important Filing Note : For forms that still allow manual entry,
: Previously used for certain tax payments, these are no longer supported for paper processing as of recent tax years. nys-dtf-ct