If a permittee intends to cease operations or cease a discharge for which a permit has been issued under this chapter, the permittee shall notify the Department in writing of its intent at least 90 days prior to the cessation of operations or the cessation of the discharge, unless permission has been granted for a later date by the Department. The 90-day notice is not required to cease mining activities and related discharges that are terminated in accordance with procedures for mine reclamation and bond release established in §§ 86.170-86.175 (relating to release of bonds) or §§ 77.241-77.243 (relating to release of bonds).
25 Pa. Code § 92a.76