2. Log in to the billing software with the administrator password and certificate password.
3. Click "System Maintenance" in the operation interface.
4. Click "User Management" in the operation interface.
5. Select the drawer to modify on the user management page, and click Modify.
6. Enter the name of the drawer to be modified in the user name box on the right, and then click the check mark in the upper right corner.
7. After the confirmation box appears, click OK.
8. In this way, the drawer has completed the revision.
I. Time limit for payment of value-added tax:
The tax payment period of VAT is 1 day, 3 days, 5 days, 1 day, 15 days, 1 month or1quarter respectively. The specific tax payment period of taxpayers shall be determined by the competent tax authorities according to the tax payable of taxpayers; If the tax cannot be paid within a fixed time limit, the tax can be paid on time.
If the taxpayer takes 1 month or 1 quarter as 1 tax period, it shall declare and pay taxes within 15 days from the expiration date; 1 If the tax payment period is 1, 3, 5, 10 or 15, the tax shall be paid in advance within 5 days from the due date, and the tax shall be declared within 5 days from 1 the following month.
The tax payment period of withholding agents shall be implemented in accordance with the provisions of the preceding two paragraphs.
Legal basis:
Provisions on the use of special VAT invoices
Article 11
Special invoices shall be issued according to the following requirements:
(a) the project is complete and consistent with the actual transaction;
(two) the handwriting is clear, and no line pressing or mistakes are allowed;
(3) The invoice and deduction shall be affixed with the special financial seal or the special invoice seal;
(4) It shall be issued according to the time when the VAT obligation occurs.
The buyer has the right to reject special invoices that do not meet the above requirements.