The Commissioner, together with his deputies, agents and assistants shall have access to all places of business, mills and storage facilities used in the manufacture, importation or sale of any commercial feed and may open any package containing or supposed to contain any commercial feed during the normal operating hours of business and upon tender and payment of the selling price of samples, take therefrom, in the manner prescribed in this article, samples for analysis.
S.C. Code § 46-27-410