1. According to the inquiry of enterprises, the reason for setting permissions is to protect the privacy of taxpayers. Provincial bureaus generally have different permissions to open various positions in tax bureaus at all levels, so no tax records can be found.

2. System information * * * The reason is that the tax declaration system and management system of the tax bureau of e-commerce enterprises are based on provinces, and no unified system is used nationwide. Therefore, due to the information * * *, no tax records can be found.