Alaska Stat. § 45.29.406
(b) Subject to (h) of this section, notification is ineffective under (a) of this section
(3) at the option of an account debtor, if the notification notifies the account debtor to make less than the full amount of any installment or other periodic payment to the assignee even if
(d) Except as otherwise provided in (e) of this section, AS 45.29.407, and AS 45.12.303, and subject to (h) of this section, a term in an agreement between an account debtor and an assignor or in a promissory note is ineffective to the extent that it
(f) Except as otherwise provided in AS 45.12.303 and AS 45.29.407, and subject to (h) and (i) of this section, a rule of law, statute, or regulation that prohibits, restricts, or requires the consent of a government, a governmental body or official, or an account debtor to the assignment or transfer of, or creation of a security interest in, an account or chattel paper is ineffective to the extent that the rule of law, statute, or regulation