Used but not paid, that is, the verification form has been used for export. Not submitting means that the used verification form has not been applied for submission, which is what the operator of the company's electronic port needs to do, that is, you have to submit the form. Anyway, the general idea is that if you have exported a verification form, you should submit it at the electronic port. The specific operation sequence is as follows: logging in to the electronic port-collecting foreign exchange for export-submitting the form by the enterprise-inputting the verification form number-pressing Enter continuously-jumping out of the presentation page-pressing the presentation form-prompting that the presentation was successful. Then, return to the home page: Export Tax Refund-Data Submission-Select Submit-Click Select All-Submit. Tips submitted to IRS. This must be done before you declare the tax refund, otherwise, your verification system will not have this data, and neither will the IRS.