Does a convicted felon who has completed his sentence for a charge of assault under Proposition 47 of the California Penal Code apply to have his conviction reduced to a misdemeanor?

Proposition 47 also enacted Penal Code section 1170.18, subdivision (f), which provides: "A person who has completed his or her sentence for a conviction, whether by trial or plea, of a felony or felonies who would have been guilty of a misdemeanor under [Proposition 47] had [Proposition 47] been in effect at the time of the offense, may file an application before the trial court that entered the judgment of conviction in his or her case to have the felony conviction or convictions designated as misdemeanors." (Pen. Code, 1170.18, subd. (f); see People v. Rivera, supra, 233 Cal.App.4th at pp. 1091, 1093.)