Notwithstanding Section 653, in the case of an affidavit alleging that the minor is a person described in Section 602, the probation officer shall cause the affidavit to be immediately taken to the prosecuting attorney if it appears to the probation officer that the minor has been referred to the probation officer for any violation of an offense listed in subdivision (b) of Section 707 and that offense was allegedly committed when the minor was 14 years of age or older. If the prosecuting attorney decides not to file a petition, he or she may return the affidavit to the probation officer for any other appropriate action.