; and (ii) at the request of a municipality or a State, provide information and technical assistance to the municipality or State regarding developing an integrated plan. (4) Compliance schedules (A) Duration A schedule of compliance developed under paragraph (2)(A)(vi) and incorporated into a permit under this section may be implemented over more than 1 permit term. (B) Sequencing implementation of high-priority control measures A schedule of compliance under this subsection may allow a municipality to sequence the implementation of effluent limitations and other control measures that allow the municipality to implement, and assess the effectiveness of, the highest priority effluent limitations and other control measures before requiring implementation of other effluent limitations or control measures, if the schedule, once completed, would result in compliance with all requirements of this Act. (C) Reasonable progress A schedule of compliance under this subsection shall provide for reasonable progress, including interim dates and milestones, as appropriate, to be made towards meeting the permit requirements subject to such schedule. (D) Controls identified in current and subsequent permits Approved effluent limitations and other control measures to be implemented by the municipality pursuant to this subsection— (i) during the term of the current permit shall be identified as such in the schedule of compliance and the current permit, and shall be requirements of the current permit