Legal analysis: 1. Provincial supervision organs below the provincial level to take retention measures, the extension of the retention time should be reported to the higher level of supervision organs for approval. Supervisory organs found to take detention measures improper, should be promptly lifted.
2. Supervisory organs shall ensure that the detained person's diet, rest and safety, and provide medical services. Interrogation of detained persons shall be reasonable arrangements for the time and length of interrogation, interrogation transcripts read and signed by the person being interrogated.
3. Supervisory organs to take detention measures, shall be the supervisory organs of the leadership of the collective research decision. Municipalities below the level of supervision organs to take retention measures, shall be reported to the higher level of supervision organs for approval. Provincial-level supervisory organs to take retention measures shall be reported to the National Supervisory Commission for the record.
Legal basis: "The Chinese people's **** and State supervision law" Article 22 The investigated person is suspected of corruption and bribery, dereliction of duty, and other serious job violations or crimes, the supervisory organs have already mastered some of the facts of its criminal violations and evidence, there are still important issues that need to be further investigated, and there are one of the following circumstances, by the supervisory organs in accordance with the law for approval, can be detained in a specific place:
(a) involving the case is significant and complex;
(b) may escape, suicide;
(c) may conspire to make a confession or to falsify, conceal, or destroy evidence;
(d) there may be other obstruction of the investigation.
The supervisory organ may, in accordance with the provisions of the preceding paragraph, take measures of retention in respect of persons suspected of bribery or *** with job-related crimes.