1.
(2) Reporting and exposing major criminal activities inside and outside prison, which are verified to be true;
(3) There are inventions or major technological innovations;
( 4) Those who sacrifice themselves to save others in daily production and life;
(5) Those who have outstanding performance in resisting natural disasters and eliminating major accidents;
(6) There are other major contributed.
Legal basis: Article 274 of the Criminal Procedure Law of the People's Republic of China
If the People's Procuratorate believes that the People's Court's commutation or parole ruling is inappropriate, it shall wait until it receives a copy of the ruling. Submit written correction opinions to the People's Court within 20 days. The People's Court shall re-constitute a collegial panel to hear the case and make a final ruling within one month after receiving the corrective opinions.
Article 498 The period of suspended execution of a death penalty shall be calculated from the date when the legal document approving the suspended execution of the death penalty is announced or the judgment or ruling is delivered.
If the suspended execution period of the death penalty expires and the sentence should be commuted according to law, the People's Court shall promptly commute the sentence. If the suspended execution of the death penalty is commuted to life imprisonment or fixed-term imprisonment upon expiration, the sentence shall be calculated from the date of expiration of the suspended execution of the death penalty.