(a) A person who is required to maintain records under this chapter or §519 or §520(g) of the Federal Act must maintain records on site for immediate inspection, and at the request of the department, provide access to records for review or copying to verify consumable hemp products are being produced in accordance with United States Department of Agriculture under 7 United States Code (U.S.C.) Chapter 38, Subchapter VII, or Texas Agriculture Code, Chapter 121.(b) A person licensed under Texas Agriculture Code, Chapter 122, shall make available to the department upon request the results of tests conducted on samples of hemp or hemp products as evidence that the delta-9 tetrahydrocannabinol content concentration level on a dry weight basis, that, when reported with the accredited laboratory's measurement of uncertainty, produces a distribution or range that includes a result of 0.3 percent or less delta-9 tetrahydrocannabinol concentration of the hemp or hemp products does not exceed 0.3 percent.(c) Records described in subsection (b) of this section must be maintained for a period of no less than three years after the date the records are created.