GB 14166: 2013 -- Safety-belts, restraint systems, child restraint systems and ISOFIX child restraint systems for occupants of power-driven vehicles
ECE R16 -- Uniform provisions concerning the approval of Vehicles equipped with safety-belts, safety-belt reminders, restraint systems, child restraint systems and ISOFIX child restraint systems and i-Size child restraint systems
SASO 526 -- Motor Vehicles - Safety Belts
GSO 96: 1988 -- MOTOR VEHICLES - METHODS OF TESTING SAFETY BELTS
GSO 97: 1988 -- Motor Vehicles - Safety Belts.