Notice of suspension of operations.

(a) Except for seasonal suspension, the operator shall notify the authorized officer of any suspension of operations within 30 days after such suspension. This notice shall include: (1) Verification of intent to maintain structures, equipment, and other facilities, and (2) The expected reopening date. (b) The operator shall maintain the operating site, structure, and other facilities in a safe and environmentally acceptable condition during nonoperating periods. (c) The name and address of the operator shall be clearly posted and maintained in a prominent place at the entrance to the area of mining operations during periods of nonoperation.