One who withdraws after encouraging or assisting in the commission of a crime may escape liability if he or she: renounces the other principals, turns the state evidence at the trial of the other principals, withdraws before the crime is complete

I believe the answer is: withdraws before the crime is complete.

By doing this, that person basically put his/her own position as a witness rather than the criminals.
But, the prosecutor could still has the ground to charge the person with the basis that he/she sure that a crime is about to happen but still does not report it to the police/

Provide additional information.

Social and economicthe concept of international social responsibility is the expectation that mncs concern themselves about social and economic effects of their decisions regarding activities in other countries.