The original bond amount determination, a decision by the Department to release bond, a request to reduce bond amount after permit issuance and a request for closure or postclosure certification shall be, for the purpose of providing public notice and comment, considered a permit modification and shall be subject to the public notice and comment requirements for Class 3 permit modifications.
25 Pa. Code § 265a.167
This section cited in 25 Pa. Code § 265a.115 (relating to certification of closure); and 25 Pa. Code § 265a.120 (relating to certification of completion of postclosure care).