Legal basis: Article 264 of the Criminal Procedure Law of People's Republic of China (PRC), when a criminal is delivered for execution, the people's court delivering the execution shall serve the relevant legal documents to the public security organs, prisons or other execution organs within ten days after the judgment takes effect. 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. Juvenile delinquents should be punished in juvenile reformatory. The executing organ shall take the prisoner into custody in time and notify the prisoner's family. A criminal sentenced to fixed-term imprisonment or criminal detention shall be issued a release certificate by the executing organ after the expiration of his execution.