28 CFR 811.13: Notices and appearances.

Unless otherwise directed by the Court or CSOSA,

(a) Notices or reports that are required to be submitted in writing should be sent to: Sex Offender Registration Unit, Court Services and Offender Supervision Agency, Room 2002, 300 Indiana Avenue, NW., Washington, DC 20001.

(b) A person who is required to report in person should go to: Sex Offender Supervision Office, Court Services and Offender Supervision Agency, Room 2002, 300 Indiana Avenue, NW., Washington, DC 20001.