Legal basis: People's Republic of China (PRC) Lawyers Law.
Article 41 A lawyer who once served as a judge or prosecutor may not serve as an agent ad litem or defender within two years after leaving a people's court or a people's procuratorate.
Article 47 A lawyer who commits any of the following acts shall be given a warning by the judicial administrative department of the people's government at the municipal level or municipality directly under the Central Government, and may be fined not more than 5,000 yuan; Illegal income, confiscate the illegal income; If the circumstances are serious, the punishment of stopping practicing for less than three months shall be given:
(1) Practicing in two or more law firms at the same time;
(2) Undertaking business by improper means;
(3) Representing both parties in the same case, or representing legal affairs that have conflicts of interest with himself and his close relatives;
(4) Failing to serve as an agent ad litem or defender within two years after leaving the people's court or people's procuratorate;
(5) Refusing to perform the obligation of legal aid.