1. The answer is yes, the financial system must be filed with the tax bureau.

2. Taxpayers engaged in production and business operations shall submit their financial and accounting systems or financial and accounting treatment methods to the competent tax authorities for record within 15 days from the date of receiving the tax registration certificate.

3. Now that the three certificates are integrated into one, you should go to the tax bureau to register after receiving the business license. It is recommended that the subject file it as soon as possible.