The local planning commission shall elect from the appointed members a chairman and a vice-chairman, whose terms shall be for one year. If authorized by the governing body the commission may (i) create and fill such other offices as it deems necessary; (ii) appoint such employees and staff as it deems necessary for its work; and (iii) contract with consultants for such services as it requires. The expenditures of the commission, exclusive of gifts or grants, shall be within the amounts appropriated for such purpose by the governing body. The commission shall adopt rules for the transaction of business and shall keep a record of its transactions which shall be a public record. Upon request of the commission, the governing body or other public officials may, from time to time, for the purpose of special surveys under the direction of the commission, assign or detail to it any members of the staffs of county or municipal administrative departments, or such governing body or other public official may direct any such department employee to make for the commission special surveys or studies requested by the local commission.