2. Self-employed individuals need to register and obtain a tax registration certificate according to law, and then they can apply to the tax authorities for an invoice purchase book and purchase invoices; 3. If a self-employed person has a tax registration certificate, he/she should take the invoice receiving and purchasing book to the tax processing center to receive and purchase invoices;
4. Self-employed individuals can download relevant invoicing software and issue invoices according to their personal needs.
Legal basis: Detailed Rules for the Implementation of the Measures for the Administration of Invoices in People's Republic of China (PRC).
Article 3 The basic invoice forms include stub forms, invoice forms and bookkeeping forms. Stubs shall be kept by the payee or drawer for future reference; The invoice is made by the payer or the payer jointly as the original payment voucher; Bookkeeping shall be made by the payee or drawer as the original voucher for bookkeeping.
The tax authorities at or above the provincial level may increase or decrease other invoices according to the needs of invoice management and taxpayers' business operations, and determine their uses.
Article 4 The basic contents of an invoice include: invoice name, invoice code and number, number and purpose, customer name, bank and account number, commodity name or business item, unit of measurement, quantity, unit price, amount in words and figures, drawer, date of invoice, name (seal) of billing unit (individual), etc.
The tax authorities at or above the provincial level may determine the specific contents of invoices according to the needs of economic activities and invoice management.