Any claim of a contractor or others, not otherwise provided for, for labor done or for materials, services or supplies furnished to the state road commission, pursuant to the provisions of any article to this chapter, shall be audited by the commissioner, and, if found correct, the commissioner shall issue the commission's requisition upon the auditor of the state therefor, showing the nature of such claim and whether it is for labor done or materials, services or supplies furnished for construction of state roads, or for other purposes, and the auditor shall issue his warrant upon the state treasurer therefor, and the treasurer shall pay the same to the person, firm or corporation entitled thereto, out of the funds in the treasury provided for that purpose.