Taxpayers who have not signed the Confirmation Letter of Electronic Service of Tax Documents in the Electronic Taxation Bureau need to sign the Agreement on Electronic Service of Tax Documents before they can apply for overdue declaration and punishment online. If you don't agree to sign, you need to go to the tax service office to obtain relevant documents before you can handle the subsequent overdue declaration business. "Taxpayers who have signed do not need to sign again.

The process of signing the confirmation of electronic delivery of tax documents by Shandong Electronic Taxation Bureau is as follows: "I want to do tax" → "comprehensive information report" → "qualification information report" → "signing the confirmation of electronic delivery of tax documents";

After entering the page of "signing the confirmation of electronic delivery of tax documents", check "I have carefully read and understood all the contents of the confirmation of electronic delivery of tax documents" and sign it by the taxpayer/withholding agent, and then sign it separately for confirmation.