AS 43.10.035: Lien.

(a) If a person who is liable to pay a tax or license fee under this title neglects or refuses to pay the tax or license fee after demand, the amount, including interest, additional amount, or assessable penalty, together with costs, is a lien in favor of the state upon all property and right to property, real or personal, belonging to that person.

(b) Unless specifically provided otherwise by law, the lien imposed by this section arises at the time the assessment is made and continues until the amount assessed is paid or a judgment against the taxpayer arising out of the liability is satisfied.