The informal complainant may file and prosecute a formal complaint averring any violation of the act, this part or an order of the Authority by a regulated person under § 1005.11(a)(4) (relating to formal complaints generally) within 30 days of service of an informal complaint termination letter from the Enforcement Department.
52 Pa. Code § 1003.43
This section cited in 52 Pa. Code § 1005.11 (relating to formal complaints generally); and 52 Pa. Code § 1005.24 (relating to appeals from actions of the staff).