Time allowed for bringing existing installations into compliance with the rules will be determined by the proper administrative authority.
34 Pa. Code § 39.84
This section cited in 34 Pa. Code § 39.81 (relating to applicability); 34 Pa. Code § 39.82 (relating to scope); 34 Pa. Code § 39.83 (relating to modification or waiver of provisions); and 34 Pa. Code § 39.192 (relating to scope).