Legal basis: Article 16 of the Measures of the People's Republic of China on the Administration of Invoices (revised on 20 19).
Units and individuals who need to use invoices temporarily may directly apply to the tax authorities in the place of business for invoicing on the basis of written proof of buying and selling goods, providing or receiving services and engaging in other business activities and identity certificate of the agent. If taxes should be paid in accordance with the provisions of tax laws and administrative regulations, the tax authorities should collect taxes first and then issue invoices. According to the needs of invoice management, the tax authorities may entrust other units to issue invoices in accordance with the provisions of the competent tax authorities in the State Council.
Illegal invoicing is prohibited.
Article 2 of the Individual Income Tax Law of the People's Republic of China
Individual income tax shall be paid on the following personal income: (1) income from wages and salaries; (2) Income from remuneration for labor services; (3) Income from remuneration; (4) Income from royalties; (5) Operating income; (6) Income from interest, dividends and bonuses; (7) Income from property lease; (8) Income from property transfer; (9) Accidental income. Individual income tax shall be calculated on a consolidated basis according to the tax year when individual residents obtain income from items 1 to 4 of the preceding paragraph (hereinafter referred to as comprehensive income); Non-resident individuals who obtain income from items 1 to 4 of the preceding paragraph shall calculate individual income tax on a monthly basis or by sub-item. Taxpayers who obtain income from items 5 to 9 of the preceding paragraph shall calculate individual income tax separately in accordance with the provisions of this law.