California e-fileBusiness e-file Program General Information

Business e-file allows business taxpayers to e-file returns for taxable years 2011-2013 for the following form types.

  • Form 100, Corporation Franchise or Income Tax Return
  • Form 100S, S Corporation Franchise or Income Tax Return
  • Form 100W, Corporation Franchise or Income Tax Return- Water's Edge
  • Form 100X, Amended Corporation Franchise or Income Tax Return
  • Form 199, CA Exempt Organization Annual Information Return
  • Form 565, Partnership Return of Income
  • Form 568, Limited Liability Company Return of Income

California e-file Program Enrollment Requirements

Important Business e-file information

  • Check with your software provider to see if they support Business e-file
  • Business e-file is not mandatory for California.
  • The federal tax return must be e-filed along with the state tax return, in most cases.
  • You can find a complete list of the acceptable forms and schedules in our Business e-file Overview.
  • We accept all corresponding IRS forms and schedules. Check with your software provider for a specific list of forms and schedules they support.
  • Year round return filing- Because many business returns are filed using a fiscal year calendar, the Business e-file system is available year around.