(a) The county commission of each of the several counties of the state shall be authorized to join and to participate in a national and state association of county commissions organized for the purpose of promoting better county government, economy, efficiency in office, and representing the interests of the several counties before state departments, the state Legislature, and the United States Congress.
(b) The county commissions of the several counties shall be authorized to appropriate for the maintenance and support of such associations such sums as it may deem necessary and appropriate.