The treasurer of the said Oakmont Subdivision and citizens' committee shall deposit all funds coming into his hands as such, in accordance with the requirements of law, for the deposit of county funds by the county treasurer, or in such other bank approved by the citizens' committee of said Oakmont Subdivision; provided, that the treasurer of said Oakmont Subdivision shall not dispose of any of the funds coming into his hands as such treasurer, except upon check duly signed by him as such treasurer and countersigned by the chairman or some member of the said citizens' committee acting as chairman pro tem in his absence; such acting chairman shall be duly authorized to act by resolution of said committee, which must first be placed upon the minutes of the committee to be provided therefor. (Mont. Co. Code 1965, § 69-8; 1918, ch. 190, § 8.)