Make sure the source of funds before purchasing goods. Items in the details of the budget procurement plan shall be implemented according to the budget; The purchase of sporadic items with budgetary funds but not included in the details of the budget purchase plan must first go through the approval procedures and be approved by the competent dean and the person in charge of relevant functional departments; If you purchase items outside the budget, you must go through the feasibility demonstration of the relevant departments, and strictly implement the supplementary budget procedures, and then organize the purchase after the source of funds is implemented.

The reimbursement invoice (domestic invoice) must be a valid bill uniformly printed by the tax department and stamped with the tax producer's seal. The reimbursement invoice must contain: the name of the payer (North China Institute of Science and Technology), the date of invoicing, the name of the drawer, the content of expenses incurred, the name, quantity, unit price and amount of the goods, etc. For the purchase of office supplies, experimental materials, books and materials, etc., if there are many kinds of bills that cannot be listed item by item, it is necessary to attach a machine-made receipt provided by the sales unit or a shopping list stamped with a special financial seal. The reimbursement bill must be stamped with the special invoice seal or financial seal of the filling unit. Where invoices are filled with amounts in words and figures, the amounts in words and figures must be consistent. At the time of reimbursement, the bill must be signed by the handler, the inspector and the department head. If the equipment purchased belongs to fixed assets (800 yuan and above), it is necessary to go through the formalities of acceptance of fixed assets in advance at the Assets Department; if the teaching experimental materials, low-value consumables and office consumables are purchased, it is necessary to go through the relevant formalities of acceptance and warehousing at the Assets Department in advance, and then submit them to the Finance Department for reimbursement with the receipt, receipt and invoice; Where each department purchases instruments and equipment with daily funds, it needs to obtain the consent of the leaders of the competent hospital, the Assets Department and the Finance Department in advance. After purchasing, the Assets Department will submit the acceptance certificate and invoice to the Finance Department for reimbursement.