(a) An agency listed in AS 44.62.330 may delegate the power to act, to hear, and to decide, unless expressly prohibited by law.
(b) In a law enacted after April 29, 1959, where the word "agency" alone is used, the power to act may be delegated by the agency, and where the words "agency itself" are used, the power to act may not be delegated unless a statute relating to that agency authorizes the delegation of its power to hear and decide.