A guardian's authority and responsibility terminate upon the death, resignation, or removal of the guardian or upon the minor's death, adoption, marriage, or attainment of majority, but termination does not affect the guardian's liability for prior acts, nor the obligation to account for funds and assets of the ward. Resignation of a guardian does not terminate the guardianship until it has been approved by the court. A testamentary appointment under an informally probated will terminates if the will is later denied probate in a formal proceeding.
Alaska Legal Code