How must children under 5 years of age be transported in the rear seat of a passenger car in Bosnia and Herzegovina?

1. Secured in an approved, age- and weight-appropriate child safety seat (dječije sjedalo) properly attached to the vehicle
2. Held securely in the arms of an adult passenger
3. Sitting directly on the vehicle seat using the standard adult lap-and-diagonal seat belt
4. Lying down across the rear bench seat without restraints