Alaska Stat. § 11.51.120
(d) Criminal nonsupport is a class C felony if the support the person failed to provide is monetary support required by a court or administrative order from this or another jurisdiction and, at the time the person knowingly failed, without lawful excuse, to provide the support,
(3) the person had been previously convicted under this section or a similar provision in another jurisdiction and
(f) In this section,
(1) “child” means a person