After any political subdivision has approved the budget for any year and has approved or adopted the orders, motions, resolutions, or ordinances required to authorize the expenditures proposed in the budget, the political subdivision shall not increase the total amount authorized for expenditure from any fund, unless the governing body adopts a resolution setting forth the facts and reasons making the increase necessary and approves or adopts an order, motion, resolution or ordinance to authorize the expenditures.
§ 67.040, RSMo