What business tax documents must be e-filed beginning January 1, 2009?
• You must e-file all Article 9-A general business corporation and S corporation tax returns and extensions that are supported by your NYS approved e-file software beginning January 1, 2009; and/or • Beginning with the return due on March 20, 2009, you must Web File sales tax Form ST-810 on the Online Tax Center Electronic filing may be mandated for additional business tax filings as electronic filing programs are added or expanded. Please check our website for up-to-date information.