Conditions:
(a) there is new evidence to prove that the facts identified in the original judgment or ruling are indeed wrong, which may affect conviction and sentencing;
(2) The evidence on which conviction and sentencing are based is inaccurate and insufficient, which should be excluded according to law, or there are contradictions between the main evidences proving the facts of the case;
(3) The application of the law in the original judgment or ruling is indeed wrong;
(four) in violation of legal procedures, which may affect the fair trial;
(5) The judicial officers commit acts of corruption, bribery, favoritism and malpractice, and perverting the law.
Time: there is no time limit for applying for retrial, because it is aimed at a legally effective judgment ruling.