Section 127.404. Compliance schedule for repermitting

A new permit issued to a source which is operating under a valid permit on July 9, 1992, or which has received a permit subsequent to July 9, 1992, and which is required to meet performance or emission standards or other requirements established subsequent to the issuance of the existing permit, may contain a compliance schedule authorizing the source to continue to operate out of compliance and requiring the source to achieve compliance as soon as possible but no later than the time required by the act, the Clean Air Act or the regulations thereunder.