Nebraska Revised Statutes Chapter 81. State Administrative Departments § 81-118. Departments;  receipts;  payment to treasury;  expenditures;  when authorized

The gross amount of money received by every department, from whatever source, belonging to or for the use of the state, shall be paid into the state treasury, without delay, not later in any event than ten days after the receipt of the same, without any deduction on account of salaries, fees, costs, charges, expenses or claims of any description whatever. No money belonging to or for the use of the state shall be expended or applied by any department except in consequence of an appropriation made by law and upon the warrant of the Director of Administrative Services.