This is one of the regulations formulated by the National Nature Foundation.

The specific steps for the project applicant to apply for the code are as follows:

1, try to choose the secondary application code.

2 key projects, major research projects, joint fund projects, etc. There may be special requirements for filling in the application code. See the related project types in the Guide for details.

3. When filling in the application form, please select the application code 1 and its corresponding research direction and keyword content accurately.

4. If you have any questions about the application code, please consult the relevant scientific departments.