Alaska Stat. § 29.20.110
(a) A change in assembly apportionment or composition under AS 29.20.080 or 29.20.090 is effective beginning with the first regular election for members of the assembly that is held more than 60 days after the later of
(b) The provisions of (a) of this section do not apply to a borough in which a change in assembly composition or apportionment is subject to review and approval or determination of nonobjection by the Attorney General of the United States under 42 U.S.C. 1971-1974 (Voting Rights Act of 1965), as amended. A change in assembly composition or apportionment subject to review under 42 U.S.C. 1971-1974, as amended, is effective beginning with the first regular election for members of the assembly that is held more than 60 days after