The date of acceptance is the date when your application documents are received. If your application documents are correct, the acceptance date is the application date.
If there is something wrong with your certificate after the audit, you will be asked to correct it. Key documents will be corrected, and the final application date will be the date when the complete documents are received.
in addition
Article 20 of the Patent Law of People's Republic of China (PRC) stipulates that "the date when the patent administrative department in the State Council receives the patent application documents is the filing date", and Article 28 also stipulates that "if the application documents are mailed, the postmark date is the filing date." In other words, the application date is the date when the applicant submits the application documents to the post office.