Settlement of Accounts. No bills or accounts shall be made by any officer or enlisted man with a view of their being paid by the State of Oklahoma unless such expenditure is expressly authorized by the laws of this state or is authorized by the Adjutant General. No accounts will be paid unless they are accompanied by vouchers or receipts showing by whomever paid, or are to be paid, to whom paid, date of service, authority for, and amount of such expenditure, and for what purpose the expenditure was made.