mineral activities shall notify the Secretary, in the manner prescribed by the Secretary, of the date on which the production has begun or resumed. (c) Recordkeeping and reporting requirements (1) In general A claim holder, operator, or other person directly or indirectly involved in developing, producing, processing, transporting, purchasing, or selling locatable or hardrock minerals, subject to this Act, through the point of first sale, the point of royalty or fee computation, or the point of smelting or other processing, whichever is later, shall establish and maintain any records, make any reports, and provide any information that the Secretary may reasonably require for the purposes of implementing this title or section 403 or determining compliance with rules or orders under this title or section 403. (2) Access On the request of any officer or employee duly designated by the Secretary conducting an audit or investigation pursuant to this section, the appropriate records, reports, or information that may be required by this section shall be made available for inspection and duplication by the officer or employee. (3) Duration of recordkeeping requirement (A) In general Records required by the Secretary under this section shall be maintained for 7 years after the records are generated or amended unless the Secretary notifies the claim holder, operator, other person referred to in paragraph (1), or record holder that the Secretary has initiated an audit or investigation involving the records and that the records must be maintained for a longer period. (B) Ongoing audit or investigation In any case in which an audit or investigation is underway, records shall be maintained until the Secretary releases the claim holder, operator, other person referred to in paragraph (1), or record holder subject to the recordkeeping and requirements of this Act of the obligation to maintain the records. (d) Audits The Secretary may conduct such audits of all claim holders, operators, producers, transporters, purchasers,