1. Self-invoicing means that the company receives the invoice from the tax bureau, issues it internally, and then stamps its own special invoice seal.

2. Invoicing on behalf of the company is issued by the tax bureau when the company has no self-purchased invoices or the self-purchased invoices are not enough. It is the stamp of the tax bureau on behalf of the company, and the information should be taken to the tax bureau for issuance.

3. if you can't open it yourself, you will naturally go to the tax bureau. The so-called non-issuance includes the qualification of issuing invoices, the amount of your bills, and the type of invoices.