In 2023, Shenzhen residents must meet one of the following conditions to be eligible to apply for tax registration: the legal representative or person in charge of an enterprise who has accumulated a tax amount of over 3 million yuan in the recent three consecutive tax years; the owner of a personal proprietorship enterprise who has accumulated a tax amount of over 600,000 yuan in the recent three consecutive tax years, or a natural person shareholder/partner of a limited liability company or partnership enterprise who shared the accumulated tax amount over 600,000 yuan according to the proportion of investment contribution in the enterprise; the operator of an individual industrial and commercial enterprise who has accumulated a tax amount of over 300,000 yuan in the recent three consecutive tax years; or a legally employed individual who has paid 240,000 yuan or more of personal income tax in Shenzhen in the recent three consecutive tax years. Additionally, the applicant must be under 50 years old (under 55 if the tax amount is over 1 times the requirement), have no record of participation in forbidden organizations or activities, and reflect their employment status accurately on their household registration book. The application time is about 1-2 months, and materials such as tax certificates, screenshots of the enterprise and shareholders from the industrial and commercial bureau with official seals, household registration books, ID cards, and marriage certificates (if applicable) are required.