9 C.F.R. § 166.13
(a) A licensed facility shall be subject to inspections. Each inspector will be furnished with an official badge or identification card, either of which shall be sufficient identification to entitle access during normal business hours to the facility for the purposes of inspection. At such time the inspector is duly authorized to:
(d) A licensee shall supply, upon request by an inspector, information concerning sources of garbage. Such information shall include the dates of supply and the names and addresses of the person and/or organization from which the garbage was received.
(Approved by the Office of Management and Budget under control number 0579-0065)
[47 FR 49945, Nov. 3, 1982, as amended at 48 FR 57474, Dec. 30, 1983; 52 FR 4890, Feb. 18, 1987. Redesignated at 52 FR 4891, Feb. 18, 1987]