2. Enterprise entity: if it has been established for one year, it is required to provide a copy of the annual corporate income tax return for the previous year, and it is required to submit a copy of the annual corporate income tax return for the previous year during the final settlement period; Copy of the business license of the enterprise. If it has been established for less than one year: just provide a copy of the business license of the enterprise;
3. Institutions, social organizations and non-profit scientific research institutions
only need to provide copies of legal person certification materials.