The provisions of paragraph (b) of Sec. 601.505, and of Sec. Sec. 601.506 through 601.508 of this subpart, as applicable, shall be followed in offices of the Bureau of Alcohol, Tobacco, and Firearms. [34 FR 6433, Apr. 12, 1969, as amended at 34 FR 14604, Sept. 19, 1969; 45 FR 7259, Feb. 1, 1980]