27 C.F.R. § 19.130
The proprietor must notify TTB of any changes in the list of stockholders or persons with interest that was filed with TTB as required by § 19.93(b). If the change results in a change of control, the proprietor must file form TTB F 5110.25, Application for Operating Permit Under 26 U.S.C. 5171(d), within 30 days of the change. If the change does not cause a change in control the proprietor:
(c) Must incorporate all changes submitted by letterhead notice in the next TTB F 5110.25 filed.
(26 U.S.C. 5172, 5271)
[T.D. TTB-92, 76 FR 9090, Feb. 16, 2011, as amended by T.D. TTB-196, 89 FR 87939, Nov. 6, 2024]