27 C.F.R. § 19.15
(b) Persons may obtain TTB forms by accessing the TTB Web site (https://www.ttb.gov) or by mailing a request to the TTB National Revenue Center, 550 Main Street, Suite 8002, Cincinnati, Ohio 45202.
(26 U.S.C. 5207)
[T.D. TTB-92, 76 FR 9090, Feb. 16, 2011, as amended by T.D. TTB-196, 89 FR 87939, Nov. 6, 2024]