yitsunc It's certainly unreasonable, but it doesn't violate any laws. Some places simply don't provide physical certificates...
While paying 50 yuan is a prerequisite for taking the exam, he said that if I don't receive a physical certificate, the exam itself would be free. This does indeed comply with the regulations.
Therefore, this situation can only be addressed through civil law regulations... The most you can do is scold him, but you cannot use public power to prohibit the charging of fees for physical certificates.