Unless otherwise provided under the terms of a bond resolution or trust indenture adopted by the commission pursuant to this chapter, all contractual obligations of the commission, excepting salaries and expenses of commission employees and the cost of any office supplies, materials, and equipment, must be paid from the contract fund. The moneys in the contract fund must be paid out or disbursed in the manner determined by the commission. Any moneys paid to the commission by any department, agency, or political subdivision of this or another state or of the United States or any person, corporation, or limited liability company to meet its part of the cost of a water project, shared with the commission on a matching basis, and as determined by a contract entered into with the commission, must be held pursuant to the terms of the resolution or trust indenture adopted by the commission pursuant to this chapter or deposited with the state treasurer. Moneys deposited with the state treasurer are appropriated to the commission and must be credited to the contract fund.