N.C. Gen. Stat. § 106-264
For the purpose of administering this Article the Commissioner of Agriculture or his agent is hereby authorized to enter at all reasonable hours all places where milk is being stored, bottled, or processed, or where milk is being bought, sold, or handled, or where books, papers, records, or documents relating to such transactions are kept, and shall have the power to inspect and copy the same in any place within the State, and may take testimony for the purpose of ascertaining facts which in the judgment of the Commissioner are necessary to administer this Article. The Commissioner shall have the power to determine the truth and accuracy of said books, records, papers, documents, accounts, and reports required to be furnished by milk distributors, their affiliates or subsidiaries in accordance with the provisions of this Article.
N.C. Gen. Stat. § 106-264