How to fill out the return receipt to promote traditional culture to light up the wisdom of life

1, first of all, fill in the receipt slip number, just need to enter the receipt slip number received in the receipt slip number dialog box.

2, secondly, while the receipt of the receipt of the bill number depends on whether the user is using the mailbox to make a complaint or cell phone number.

3. Lastly, if you have an email address, you can view the receipt number in the email.