All moneys belonging to the state, derived from any source at any of the institutions under the control of the supervising department, must be accounted for and remitted to the state treasurer not later than the tenth day of each month. The state treasurer shall maintain a special operating fund within the state treasury for each remitting institution. All rents, interests, or income from land, money, or property donated or granted by the United States and allocated to specific charitable institutions under the terms of the Enabling Act and the Constitution of North Dakota must be deposited in such special operating fund of each institution and expended in accordance with section 1 of article IX of the Constitution of North Dakota. The state treasurer shall make periodic transfers upon order of the director of the office of management and budget from each institutional general fund appropriation to the appropriate institutional special operating fund whenever its balance falls so low as to require supplementation. All funds for     necessary expenditures of such institutions must be drawn from the special operating fund in the state treasury as provided by this chapter.