It can be used under normal circumstances. If you receive invoices from consumers and the other party, such as catering invoices, office supplies invoices, refueling invoices, printing and binding invoices, food purchase invoices, etc. You can still use them in April and get financial reimbursement from the company. If you are the drawer, you can also use it if the other party gets your invoice with the same invoice type as above. Only for engineering invoices, general developers require that invoices be issued in the current month and recorded in the current month, but payment cannot be made in the current month. This situation is only a minority, and most of them can. Therefore, invoices can be used as long as they are used this year, which means that invoices issued in June 65438+ 10 can also be used in April.