By mail (including overnight and express services):
Internal Revenue Service
Joint Board for the Enrollment of Actuaries
SE:RPO, Room 3422
1111 Constitution Avenue, NW
Washington, DC 20224
By email:
If updating your address or other contact information, include:
- Name
 - Enrollment number
 - Prior contact information
 - Change requested
 - Best way to contact you (in case we need to contact you about change)
 - Signature
 - Date of request