How does Article 141 of Bahrain's Traffic Law Implementing Regulation regulate vehicle glazing and anything placed on the windows?

1. It permits fully reflective mirror film on every window
2. It requires the windscreen to be laminated safety glass that stays transparent and does not obstruct vision from inside or outside, and it forbids placing metal blinds or any other vision-obstructing item on the windows unless factory-fitted and compliant with the conditions the Directorate sets
3. It prohibits every form of glazing treatment without exception
4. It applies only to convertibles