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Department of Taxation and Finance

Corporation tax e-file forms and publications

The following tax year e-file forms and publications can be download and printed using Adobe Reader

 

2018 publications
Publication numberTitle
Publication 115 Draft Corporation Tax Modernized E-File Handbook For Software Developers Tax Year 2018 (To be published)
Publication 116 Draft Corporation Tax Modernized E-File Handbook For Tax Practitioners Tax Year 2018 (To be published)

 

2018 forms
Form number Title
TR-579-CT New York State E-File Signature Authorization for Tax Year 2018 For Certain Corporation Tax Returns and Estimated Tax Payments for Corporations (Posted August 14, 2018)
TR-579.1-CT New York State Authorization for Electronic Funds Withdrawal for Tax Year 2018 Corporation Tax Extensions (Posted August 14, 2018)
Letter of Intent Letter of Intent (LOI) to Develop MeF Corporation Tax E-file Software For Tax Year 2018 (Posted )

  

2017 publications
Publication numberTitle
Publication 115 Draft Corporation Tax Modernized E-File Handbook For Software Developers Tax Year 2017 (Updated November 1, 2017)
Publication 116 Draft Corporation Tax Modernized E-File Handbook For Tax Practitioners Tax Year 2017 (Updated December 1, 2017)

 

2017 forms
Form number Title
TR-579-CT New York State E-File Signature Authorization for Tax Year 2017 For Form CT-3, CT-3-A, CT-3M, CT-3-S, CT-13,CT-33, CT-33-A, CT-33-C, CT-33-M, CT-33-NL,CT-300 or CT-400 (Posted November 1, 2017)
TR-579.1-CT New York State Authorization for Electronic Funds Withdrawal for Tax Year 2017 Corporation Tax Extensions (Posted November 1, 2017)

 

 2016 publications
Publication numberTitle
Publication 115 Draft Corporation Tax Modernized E-File Handbook For Software Developers Tax Year 2016 (Updated December 6, 2016)
Publication 116 Draft Corporation Tax Modernized E-File Handbook For Tax Practitioners Tax Year 2016 (Posted December 6, 2016)

 

 2016 forms    
Form numberTitle
TR-579-CT New York State E-File Signature Authorization for Tax Year 2016 For Form CT-3, CT-3-A, CT-3M, CT-3-S, CT-13,CT-33, CT-33-A, CT-33-C, CT-33-M, CT-33-NL,CT-300 or CT-400 (Posted November 2, 2016)
TR-579.1-CT New York State Authorization for Electronic Funds Withdrawal for Tax Year 2016 Corporation Tax Extensions (Posted November 28, 2016)

 

 2015 publications
Publication numberTitle
Publication 115 Draft Corporation Tax Modernized E-File Handbook For Software Developers Tax Year 2015 (Updated November 19, 2015)
Publication 116 Draft Corporation Tax Modernized E-File Handbook For Tax Practitioners Tax Year 2015 (Updated November 19, 2015)

 

 2015 forms    
Form numberTitle
TR-579-CT   New York State E-File Signature Authorization for Tax Year 2015 For Form CT-3, CT-3-A, CT-3M, CT-3-S, CT-13,CT-33, CT-33-A, CT-33-C, CT-33-M, CT-33-NL or CT-400 (Posted November 19, 2015)
TR-579.1-CT New York State Authorization for Electronic Funds Withdrawal for Tax Year 2015 Corporation Tax Extensions (Posted November 19, 2015)

  

  

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