Alaska Stat. § 12.55.145
(a) For purposes of considering prior convictions in imposing sentence under
(1) AS 12.55.125(c), (d), or (e),
(2) AS 12.55.125(l),
(3) AS 12.55.135(g),
(4) AS 12.55.125(i),
(c) The defendant shall file with the court and serve on the prosecuting attorney notice of denial, consisting of a concise statement of the grounds relied upon and that may be supported by affidavit or other documentary evidence, no later than 10 days before the date set for the imposition of sentence if the defendant
(1) denies
(C) that the elements of a prior offense committed in this or another jurisdiction are similar to those of a
(g) In this section,