43 CFR §3486.1

1. (a)The operator/lessee shall provide access, at all reasonable times, to the authorized officer for inspection or investigation of operations in order to determine whether the operations are in compliance with all applicable laws, rules, and orders; the terms and conditions of the Federal lease or license; and requirements of any approved exploration plan for:
   1. (1)Abandonment.
   2. (2)Environmental protection and reclamation practices.
2. (b)The operator/lessee shall provide access, at all reasonable times, to the authorized officer for inspection or investigation of operations in order to determine whether the operations are in compliance with all applicable laws, rules, and orders; the terms and conditions of the Federal lease or license; and requirements of any approved resource recovery and protection plan for:
   1. (1)Production practices.
   2. (2)Development.
   3. (3)Resource recovery and protection.
   4. (4)Diligent development and continued operation.
   5. (5)Audits of Federal rental and royalty payments on producing Federal leases.
   6. (6)Abandonment.
   7. (7)MER determinations.