Legal basis: People's Republic of China (PRC) Prison Law.
Article 16 When a criminal is committed for execution, the people's court that committed him for execution shall deliver a copy of the indictment of the people's procuratorate, a copy of the judgment of the people's court, the notice of execution and the registration form for closing the case to the prison at the same time. If the prison does not receive the above documents, it shall not be put into prison; If the above-mentioned documents are incomplete or recorded incorrectly, the people's court that made the effective judgment shall promptly supplement or correct them; Those who may lead to wrongful imprisonment will not be imprisoned.
Article 17 A criminal who has been handed over for execution of a penalty shall be put in prison if he meets the provisions of Article 16 of this Law. After a prisoner is put in prison, the prison shall give him a physical examination. If, after investigation, it is temporarily executed outside prison, the prison may put forward written opinions and report them to the prison management organ at or above the provincial level for approval.