(6) Whether such mine is located on Indian land. (d) Regulations The Secretary shall promulgate such regulations as are necessary to carry out this section not later than 180 days after the date of the enactment of this Act. 507. Enforcement (a) Orders (1) Notice of violation If the Secretary concerned, or an authorized representative of such Secretary, determines that any person is in violation of any environmental protection requirement or any regulation issued by the Secretaries to implement this Act, such Secretary or authorized representative shall issue to such person a notice of violation describing the violation and the corrective measures to be taken. The Secretary concerned, or the authorized representative of such Secretary, shall provide such person with a period of time not to exceed 30 days to abate the violation. Such period of time may be extended by the Secretary concerned upon a showing of good cause by such person. If, upon the expiration of time provided for such abatement, the Secretary concerned, or the authorized representative of such Secretary, finds that the violation has not been abated he or she shall immediately order a cessation of all mineral activities or the portion thereof relevant to the violation. (2) Order for immediate cessation If the Secretary concerned, or the authorized representative of the Secretary concerned, determines that any condition or practice exists, or that any person is in violation of any requirement under a permit approved under this Act, and such condition, practice or violation is causing, or can reasonably be expected to cause either of the following, such Secretary or authorized representative shall immediately order a cessation of mineral activities or the portion thereof relevant to the condition, practice, or violation: (A) An imminent danger to the health or safety of the public. (B) Significant, imminent environmental harm to land, air, water, or fish or wildlife resources. (3) Duration (A) Termination A cessation order pursuant to paragraph (1)