Singapore legislation
Regulation 4
of Road Traffic (Motor Vehicles, Wearing of Seat Belts) Rules 2011
Regulation 4
Driver and passengers to wear seat belts
Subregulation 1
Except as provided by rule 6, the driver and every passenger of a motor vehicle to which these Rules apply shall wear a body-restraining seat belt or a lap belt where such a seat belt or lap belt is available for his use.
Subregulation 2
The body-restraining seat belt shall be worn by the driver and every passenger of a motor vehicle to which these Rules apply in such a manner as to provide restraint for both the upper and lower parts of the trunk of the wearer in the event of an accident to the vehicle.