Alaska Stat. § 34.08.250
(f) The time limits specified in a declaration described under AS 34.08.130(a)(8) may be extended and additional development rights created if persons entitled to cast at least 80 percent of the votes in the association, including 80 percent of the votes allocated to units not owned by the declarant, agree to the extension or additional development rights. The agreement is effective 30 days after an amendment to the declaration reflecting the terms of the agreement is recorded unless all persons holding special declarant rights affected by the amendment or security interests in those rights
(i) The association shall include in the notice provided under (h) of this section