What does Bahrain Traffic Law specify regarding the carriage of cargo or goods on a motorcycle?

1. Cargo may overhang more than 2 meters on each side
2. Cargo must be securely fastened, must not exceed the vehicle's width or weight rating, and must not obstruct the rider's vision or controls
3. Riders may balance loose boxes on the fuel tank using one hand
4. Cargo may cover the rear tail light and number plate if brightly colored