The IRS is in the process of sending letters to tax return preparers who do not have an active PTIN, but prepared returns in 2016.
There are three different letters depending on the situation.
- Letter 4966 – Expired PTIN
- Letter 4732 – SSN Used
- Letter 4731 – Legacy PTIN Used
A contact number for the RPO Compliance office is included if you have questions or concerns.