; and (ii) meets the requirements of section 122.47 of title 40, Code of Federal Regulations (as in effect on the date of enactment of this subsection). (B) Time for compliance For purposes of subparagraph (A)(ii), the requirement of section 122.47 of title 40, Code of Federal Regulations, for compliance by an applicable statutory deadline under this Act does not prohibit implementation of an applicable water quality-based effluent limitation over more than 1 permit term. (C) Review A schedule of compliance incorporated into a permit issued under this section may be reviewed at the time the permit is renewed to determine whether the schedule should be modified. (5) Existing authorities retained (A) Applicable standards Nothing in this subsection modifies any obligation to comply with applicable technology and water quality-based effluent limitations under this Act. (B) Flexibility Nothing in this subsection reduces or eliminates any flexibility available under this Act, including the authority of a State to revise a water quality standard after a use attainability analysis under section 131.10(g) of title 40, Code of Federal Regulations (or a successor regulation), subject to the approval of the Administrator under section 303(c). (6) Clarification of state authority (A) In general Nothing in section 301(b)(1)(C) precludes a State from authorizing in the water quality standards of the State the issuance of a schedule of compliance to meet water quality-based effluent limitations in permits that incorporate provisions of an integrated plan. (B) Transition rule In any case in which a discharge is subject to a judicial order or consent decree, as of the date of enactment of this subsection, resolving an enforcement action under this Act, any schedule of compliance issued pursuant to an authorization in a State water quality standard may not revise a schedule of compliance in that order or decree to be less stringent, unless the order or decree is modified by agreement of the parties and the court. . (b)