Where there is to be a change in, or addition of, a trade name, the permittee may not conduct operations under the new trade name until a written notice has been filed and an amended permit has been issued by the appropriate TTB officer. (Approved by the Office of Management and Budget under control number 1512-0335) [T.D. ATF-199, 50 FR 9183, Mar. 6, 1985, as amended by T.D. ATF-443, 66 FR 13015, Mar. 2, 2001]