Each handler subject to this subpart and persons subject to section 7(c) of the act shall maintain and make available for inspection by the Board or the Secretary such books and records as are necessary to carry out the provisions of the subpart and the regulations issued hereunder, including such records as are necessary to verify any reports required. Such records shall be retained for at least 2 years beyond the fiscal period of their applicability. [40 FR 59190, Dec. 22, 1975. Redesignated at 55 FR 6973, Feb. 28, 1990]