Alaska Stat. § 15.40.240
If the vacancy occurs on a date not less than 60, nor more than 90, days before the date of the primary election in an election year in which a governor is not regularly elected, the acting governor shall, by proclamation, call the special primary election to be held on the date of the primary election and the special election to be held on the date of the general election, or, if the vacancy occurs on a date not less than 60, nor more than 90, days before the date of the general election in election years in which a governor is not regularly elected, the acting governor shall, by proclamation, call the special primary election to be held on the date of the general election with the subsequent special election to be held on the first Tuesday that is not a state holiday occurring not less than 60 days after the special primary and general election.
AS 15.40.240