If the owner or operator of any motor vehicle which causes bodily injury or property damage to the insured is unknown, there is no right of action or recovery under the uninsured motorist provision, unless:

1. (1) the insured or someone in his behalf has reported the accident to some appropriate police authority within a reasonable time, under all the circumstances, after its occurrence;
2. (2) the injury or damage was caused by physical contact with the unknown vehicle, or the accident must have been witnessed by someone other than the owner or operator of the insured vehicle; provided however, the witness must sign an affidavit attesting to the truth of the facts of the accident contained in the affidavit;

3. (3) the insured was not negligent in failing to determine the identity of the other vehicle and the driver of the other vehicle at the time of the accident.

   The following statement must be prominently displayed on the face of the affidavit provided in subitem (2) above: A FALSE STATEMENT CONCERNING THE FACTS CONTAINED IN THIS AFFIDAVIT MAY SUBJECT THE PERSON MAKING THE FALSE STATEMENT TO CRIMINAL PENALTIES AS PROVIDED BY LAW.