Legal analysis: self-employment generally open ordinary invoices (sales of goods, the provision of services), you can go directly to the tax authorities to go through the procedures for the purchase of ordinary invoices. If the other party is a general VAT taxpayer and requires special VAT invoices, then you can go to your competent state tax authorities to open on your behalf.

Legal basis: "The People's Republic of China"

Article 19: Units and individuals selling goods, providing services and engaging in other business activities shall issue invoices to the payer for the payment of money received for external business operations; under special circumstances, the payer shall issue invoices to the payee.

Article 20 All units and individuals engaged in production and business activities in the purchase of goods, services and other business activities to pay money, shall obtain an invoice from the payee. When obtaining the invoice, no change in the name and amount shall be requested.