This section applies to operation permit revisions requested by the permittee that cannot be accomplished under s. NR 407.11 or 407.12. A permit revision to any acid rain provisions of the permit shall be governed by s. NR 409.12. Requests for significant permit revisions shall comply with s. 285.62, Stats., and s. NR 407.05. The department shall use the procedures in s. 285.62, Stats., and ss. NR 407.07 and when 407.09 processing requests for significant revisions. The department shall process the majority of significant revisions within 9 months after receipt of a complete application.
Wis. Admin. Code Department of Natural Resources NR 407.13