Administrative detention and retention in custody are two different legal measures, and their main differences are as follows:
The legal basis for detention is different: the legal basis for detention is either the Code of Civil Procedure or the Code of Administrative Procedure; The legal basis for liuzhi is the Supervision Law.
The enforcement organs are different: the enforcement organs for detention are the public security organs; The enforcement organ for retention in custody is the Supervision Organ.
The place of execution is different: the place of execution of detention is the place of detention; The place of enforcement of retention in custody is the place of retention in custody of the local supervision organs.
The targets are different: detention is aimed at general violations of the Law of the People's Republic of China on Public Security Administration Punishments; The retention in custody is mainly aimed at persons under investigation who are suspected of serious violations and crimes abusing public office such as bribery and dereliction of duty.
The decision-making procedure is different: the detention is decided by the public security organs; and retention in custody is to be collectively researched and decided upon by the leaders of the Supervision Organs.
The duration of detention is different: the period of detention is generally 15 days, and the period of combined detention must not exceed 20 days; However, the period of retention in custody is generally not to exceed 3 months, and in special circumstances it may be extended once with the approval of the procuratorate at a higher level, and the extension period must not exceed 3 months.