The board shall have the following powers and duties: To
(1) Study the entire field of local government in New Jersey.
(2) Promulgate reasonable rules and regulations for the interpretation and administration of State laws included within the jurisdiction of the division.
(3) Hold hearings when required by law, and also when it determines that interested persons should be given an opportunity to be heard.
(4) Hear appeals from determinations made by the director.
(5) Advise the director concerning the administration of the division, the exercise of his powers, and the problems of local government.