First, fill in the application form for issuing special red-ink invoices on your tax control machine: enter the invoice management interface, click the "red-ink invoice application form-fill in application form" menu to open the information selection interface of red-ink invoice application form, and follow the prompts step by step. Next, print this application form in duplicate, and then go to your competent tax authorities. When you go, bring your refund certificate, returned invoice and deduction. After the tax authorities approve it, they will send you a notice of issuing special invoices in red letters in duplicate. When you come back, you can fill in the invoice interface on the tax control machine and click "negative number" to issue a special invoice in red.