The budget unit submits an application to the fiscal payment institution in accordance with the approved payment plan. After review and approval by the payment institution, the payment will be made to the payee in the zero balance account of the budget unit, and then the payment will be made by the bank clearing system. The zero balance account is cleared with the fiscal centralized payment account, and then the centralized payment account is cleared with the treasury single account. Under the centralized payment method of the treasury, since inter-bank settlement is carried out in real time through the computer network, the accounts of the special fiscal payment accounts and budget units should be zero-balance accounts after the end of daily settlement, and the daily balances of fiscal funds are retained. In the Treasury Single Account.