Alaska Stat. § 15.07.130
(a) Periodically, at times of the director's choosing, but no less frequently than in January of each calendar year, the director shall examine the master register maintained under AS 15.07.120 and shall send, by nonforwardable mail to the voter's registration mailing address, a notice requesting address confirmation or correction to each voter
(d) The notice sent under (b) of this section must include a postage prepaid and pre-addressed return card on which the voter may state the voter's current address. The notice must indicate
(e) For purposes of (b) and (d) of this section, a voter “appears to vote” if