The Oakmont Citizens' Committee shall not expend for material or work a sum exceeding two thousand dollars ($2,000.00) without having first advertised the specifications therefor and inviting bids for the same, after which the committee may purchase such material or may contract for such work, or have such work done by employed labor, or otherwise as it may deem best; and provided further, that the committee may make contracts, and provided further, that no member of the citizens' committee shall furnish any supplies of any kind or contract in any manner with the citizens' committee. (Mont. Co. Code 1965, § 69-5; 1918, ch. 190, § 5; 1979, ch. 728, § 1.)