Legal basis:
Article 264 of the Criminal Procedure Law of People's Republic of China (PRC), if a criminal is committed for execution, the people's court that committed him for execution shall, within 10 days after the judgment takes effect, serve the relevant legal documents to the public security organs, prisons or other executing organs.
Criminals sentenced to death with a two-year suspension of execution, life imprisonment or fixed-term imprisonment shall be put into prison by public security organs for execution according to law. If the remaining sentence of a criminal sentenced to fixed-term imprisonment is less than three months before delivery for execution, the detention center shall execute it on his behalf. A criminal sentenced to criminal detention shall be executed by a public security organ.