The Planning Board shall elect a Chairman and Vice Chairman from the members of Class IV and select a Secretary, who may or may not be a member of the Planning Board or a municipal employee. It may employ or contract for and fix the compensation of legal counsel, other than the City Attorney, a planning consultant, a civil engineer and other staff and services as it may deem necessary, not exceeding, exclusive of gifts or grants, the amount appropriated by the governing body for its use.