Alaska Stat. § 45.12.303
(a) Except as provided in (d) of this section and AS 45.29.407, a provision in a lease agreement that does either of the following gives rise to the rights and remedies provided in (e) of this section, but a transfer that is prohibited or is an event of default under the lease agreement is otherwise effective:
(1) prohibits the voluntary or involuntary transfer, including a transfer by sale, sublease, creation or enforcement of a security interest, or attachment, levy, or other judicial process, of
(d) A provision in a lease agreement that does either of the following is not enforceable, and the transfer is not a transfer that materially impairs the prospect of obtaining return performance by, materially changes the duty of, or materially increases the burden or risk imposed on, the other party to the lease contract within the purview of (e) of this section:
(e) Subject to (d) of this section and AS 45.29.407,