Let's make this a realistic, real game, situation; not a rulebook, written exam situation.
One notices these black on black blue border road jerseys in the layup lines. It's a varsity 2021-22 mid-season regular season game in your local area. We'll assume that offending team doesn't have replacement jerseys, and we'll also assume that one knows and agrees with bob jenkin's interpretation. You have not received any prior knowledge of this situation. It was a total surprise. You're the referee. Your partner doesn't know if the ball is inflated or stuffed.
Do you?
1) Charge the offending head coach with a direct technical foul for illegal uniforms, two free throws to the offended team's best free throw shooter, seat belt to the offending head coach, start game with offending team throwin.
2) Discuss with the offending team head coach (and only this coach) the possibility that these my be illegal uniforms, do not charge a technical foul, tell the coach that you will contact your assigner, and that his athletic director should contact the state association, start the game as usual.
3) Discuss with both head coaches the possibility that these my be illegal uniforms and leave it up the offended head coach as how the game should progress. Tell the offending coach (no matter what) that you will contact your assigner, and that his athletic director should contact the state association.
4) Totally ignore the situation as if it never happened.
5) Ignore because one disagrees with bob jenkin's interpretation, worry about it in 2024-25.