The county planning commission shall adopt bylaws for the transaction of business and shall keep a record of its transactions, resolutions, findings, and determinations, which record shall be a public record. The county planning commission shall elect a chairman and a vice-chairman from among the appointed members who shall serve for one year with eligibility for reelection. The county planning commission shall appoint a secretary who may be an officer or an employee of the county commission or a member of the county planning commission. The county planning commission shall meet at least once each month at the call of the chairman and at such other times as the chairman or county planning commission may determine. The county planning commission may appoint such employees and staff as it may deem necessary for its work. In the performance of its duties, the county planning commission may cooperate with, contract with, or accept funds from federal, state or local public or semipublic agencies or private individuals or corporations, may expend such funds, and may carry out such cooperative undertakings and contracts. It may make expenditures for the purchase of required equipment and supplies. The expenditures of the county planning commission, exclusive of gifts, grants, or contract receipts, shall be within the amounts appropriated for the purpose by the county commission.