(1) Copy of payment voucher (corporate financial seal and personal signature);
(2) A statement requesting the issuance of a copy of the receipt, which should explain the reasons for handling and the required receipt information (remittance date, remitter, amount, expense details, application number/patent number);
(3) Financial statements with unknown reasons stamped with special financial seal (required for enterprises to pay fees);
(4) If it is a copy of the receipt required for funding, the remitter needs to provide the supporting materials issued by the sponsor;
Upon verification, if the original receipt is lost due to the work error of the National Information Bureau, a copy of the receipt stamped with the special seal for financial charges may be provided to the parties; In other cases, only payment instructions can be provided.