What are the rules for criminal detention center to meet lawyers?

1. When a lawyer meets a criminal suspect in custody, the detention center shall examine the lawyer's valid practice certificate, the letter of introduction from the law firm, the power of attorney or the defense notice designated by the people's court. 2. The lawyer met with two suspects or defendants in custody in order to supervise each other and ensure safety. At least 1 person is a practicing lawyer when the lawyer meets, and other accompanying persons, if not practicing lawyers, should be people who meet with the lawyer in the same unit and hold the certificate issued by the lawyer management authority.