A majority of the members then serving on the Board is a quorum. The Board shall meet at least once a month. Each hearing that the Board holds shall be open to the public. The County Commissioners shall: set the annual salary for the chair and each other member of the Board; and provide for the reasonable and necessary expenses of the Board. Subject to this section and § 28–206 of this subtitle, the Board may: employ: a secretary; inspectors; and clerical and other assistants as are necessary; and set the compensation of the employees. The Board shall appoint an attorney. The County Commissioners shall set the annual salary for the attorney. The Board shall appoint an administrator. The administrator shall carry out the duties assigned by the Board. The County Commissioners: shall set the salary of the administrator; and may assign clerical assistants to discharge the duties of the Board.