There is a good chance the Dep Dist Atty will decline to charge.
On Monday, if he's not on the criminal court calendar, he should ask the court clerk 'why; please can s/he check'; sometimes the clerk will check with the DA's office and can tell you if the filing was rejected or whether it is simply a late filing.
He may get a miss on prosecution.
In L.A. county, most .07s don't get filed (unless drugs are suspected or the driving was very erratic); there's too many .08 and over.