Section 19.120 - Change in operations(a) If the proprietor wishes to conduct additional operations involving spirits, other than those approved on the current registration, the proprietor must: (1) File form TTB F 5110.41, Registration of Distilled Spirits Plant, to amend the registration; and(2) Not engage in the additional operations prior to approval of the amended registration.(b) If the proprietor wishes to engage in another business that is authorized under § 19.55 the proprietor must: (1) File TTB F 5110.41 to amend the registration;(2) Include the information required under § 19.73(b) ; and(3) Not engage in the other business until approval of the amended registration is received.26 U.S.C. 5171 , 5172 , 5271