Each handler and importer subject to this subpart and importers of de minimis amounts of cotton shall maintain and make available for inspection by the Secretary such books and records as are necessary to carry out the provisions of this subpart and the regulations issued thereunder, including such records as are necessary to verify any reports required. Such records shall be retained for at least two years beyond the marketing year of their applicability. [56 FR 64474, Dec. 10, 1991]