It shall be the duty of each other issuing authority to receive applications for such licenses as such other issuing authority is authorized to issue; to investigate applicants and to inspect premises sought to be licensed; to conduct public hearings on applications and revocations; to enforce primarily the provisions of this chapter and the rules and regulations so far as the same pertain or refer to or are in any way connected with retail licenses, except plenary retail transit licenses; to maintain proper records; to keep full and correct minutes; and to do, perform, take and adopt all other acts, procedures and methods designed to insure the fair, impartial, stringent and comprehensive administration of this chapter. The enumeration of the above specific duties shall not be construed to limit or restrict in any way the general authority given by this chapter to each said other issuing authority.