More tax preparer e-file mandate information
Publication 93, New York State Handbook for E-Filers of Personal Income Tax Returns
Publication 90, New York State Handbook for E-Filers of Fiduciary Income Tax Returns and Estimated Tax
Publication 116, Corporation Tax Modernized E-File Handbook
Publication 96, Partnership Tax Modernized E-File (MeF) Handbook For Tax Practitioners
Personal income tax forms, for tax years 2014 and going forward, that are supported in the software package must be e-filed.
Additional e-file information
Information and specifications for software developers: