Each person subject to this subpart shall maintain and make available for inspection by the Secretary the records required by regulations prescribed by the Board and approved by the Secretary that are necessary to carry out the provisions of this subpart, including records necessary to verify any required reports. Such records shall be maintained for the period of time prescribed by the regulations issued hereunder.

[51 FR 26138, July 18, 1986; 51 FR 26686, July 25, 1986]