(a) Except as otherwise provided in (c) of this section, an initial financing statement may reflect an assignment of all of the secured party's power to authorize an amendment to the financing statement by providing the name and mailing address of the assignee as the name and address of the secured party.
(b) Except as otherwise provided in (c) of this section, a secured party of record may assign of record all or part of its power to authorize an amendment to a financing statement by filing in the filing office an amendment of the financing statement that
(1) identifies by its file number the initial financing statement to which it relates;
(2) provides the name of the assignor; and
(3) provides the name and mailing address of the assignee.
(c) An assignment of record of a security interest in a fixture covered by a mortgage that is effective as a financing statement filed as a fixture filing under AS 45.29.502(c) may be made only by an assignment of record of the mortgage in the manner provided by law of this state other than the code.