A discharge which the Department determines will result from a structure for which a valid building permit had been issued within 1 year prior to the date of imposition of the ban shall constitute an exception to the ban.
25 Pa. Code § 94.55
The provisions of this §94.55 issued under section 9 of the Pennsylvania Sewage Facilities Act (35 P. S. § 750.9).
This section cited in 25 Pa. Code § 94.21 (relating to existing overload); 25 Pa. Code § 94.52 (relating to limitations on exception); and 25 Pa. Code § 94.53 (relating to transfer of exception).