36 C.F.R. § 1200.12
NARA will notify you by mail of the final decision, usually within 3 weeks from the date we receive your request. If NARA approves your request, we will send you a camera-ready copy of the official seal(s) and/or logo(s) along with an approval letter that will:
[67 FR 72101, Dec. 4, 2002, as amended at 69 FR 26051, May 11, 2004]