Maryland Code, Agriculture § 6-106

(a) The Secretary shall sample, inspect, test and make analyses of commercial feed distributed in the State at any time and place and to the extent the Secretary considers necessary to ensure compliance with this subtitle.

(b) The Secretary shall adopt the methods of sampling and analysis from sources, such as the journal of the Association of Official Analytical Chemists, or methods that insure representative sampling and accurate examination.

(c) In determining for administrative purposes whether a commercial feed is deficient in any component, the Secretary shall be guided solely by the official sample obtained and analyzed as provided by this section.

(d) When inspection and analysis of an official sample indicates a commercial feed is adulterated, misbranded, or does not contain an enzyme or other additive in accordance with § 6-107.1 of this subtitle, the Secretary shall forward the results of the analysis to the person who registers the product and the person from whom the sample is taken. The Secretary shall furnish the distributor with a portion of the sample concerned within 30 days if he requests it.

(e) The Secretary may enter on any public or private premises, including any transportation vehicle, during regular business hours to obtain access to commercial feeds or to records relating to their distribution.