Section 18.27 - Additional requirements(a) The appropriate TTB officer, to protect the revenue, may require: (1) Additional information in support of an application for registration;(2) Marks on major equipment to show serial number, capacity, and use;(3) Installation of meters, tanks, pipes, or other apparatus; and(4) Installation of security devices.(b) Any proprietor refusing or neglecting to comply with any requirement of this section shall not be permitted to operate.T.D. ATF-104, 47 FR 23921, June 2, 1982, as amended by T.D. ATF-381, 61 FR 37003, July 16, 1996 T.D. ATF-104, 47 FR 23921, 6/2/1982, as amended by T.D. ATF-381, 61 FR 37003, 7/16/1996; 89 FR 87937 , 12/6/2024 Approved by the Office of Management and Budget under control number 1513-0006