If you are new to electronic filing or no longer have a valid EFIN, you can apply for one using Form 8633, Application to Participate in the IRS e-file Program.
Some states require additional electronic filing enrollment paperwork.
Verify the electronic filing requirements for each state to which you plan on filing returns electronically. For example, this handbook includes forms and schedules that are electronically fileable and an explanation of IRS Error Reject Codes. The IRS provides Publication 1345 and Publication 1345a when you're accepted into the IRS e-file program. Publication 1345a is mailed annually to professional prepares who participated in the e-file program the previous year. B. State guidelines States that provide electronic filing also publish guidelines for professional tax preparers.