Does a simple criminal case need a written ruling to become a simple and agreeable case?

According to the relevant knowledge I know, it is generally necessary to issue a ruling when a criminal case changes from a simple one-person case to a simple case.

Summary single case refers to a criminal case in which the defendant voluntarily pleads guilty and requests a summary trial. Summary agreement means that in the existing simple single case, the defendant and the public prosecution agency have reached a plea agreement. According to relevant laws and regulations, for simple consensual cases, the court usually needs to issue a ruling to the defendant to confirm the defendant's plea agreement.

However, the specific procedures and requirements may be different in different regions and judicial practice, so it is best to consult local legal experts or lawyers in specific circumstances to obtain accurate information.