7 C.F.R. § 91.19
General requirements of suitable samples.
Cite as 7 C.F.R. § 91.19 (2026)
(a) Samples must be representative of the product tested and provided in sufficient quantity for the analyses requested. (b) Each sample must be identified with the following information: (1) Product type (specific description); (2) Lot number or production date; (3) Analyses desired; (4) Date/time collected; (5) Storage conditions prior to shipping; (6) Name of applicant; (7) Name of sampler; (8) Any other information which is required by the specific program under which analysis or test is performed.