How to invoice after online payment of gas?

The steps of issuing an invoice after paying the gas fee online are as follows:

1. Log in to official website, a natural gas company, enter the payment page, select the bill to be paid, and click the "Invoice" option.

2. Fill in the billing information, including the invoice header, taxpayer identification number, contact person, contact telephone number, contact address and other related information. If you need to mail the invoice, please fill in the mailing address.

3. After confirming that the bill information is correct, click the "Submit" button to pay.

Please note that the specific steps may be different for different natural gas companies. If in doubt, please consult the relevant customer service.