If the vehicle was manufactured before 1 January 1973 it is not required to have rear seat belts. For information, the age related items are as follows: LICENSE PLATE: If the vehicle was manufactured before 1 January 1973 it may have registration plates displaying white, grey or silver characters on a black background. VIN: If the vehicle was first used before 1 August 1980, there is no Vehicle Identification Number (VIN) HORN: If the vehicle was first used before 1 August 1973, the horn does not have to be continuous or uniform, and it may be harsh or grating. HAZARD LIGHTS: If the vehicle was first used before 1 April 1986, the vehicle is not required to have Hazard Lights, which should only be tested if fitted. REAR FOG LAMP: If the vehicle was first used before 1 April 1980, the vehicle is not required to have a rear fog lamp. REAR SEAT BELTS: If the vehicle was manufactured before 1 January 1973 it is not required to have rear seat belts. FRONT SEAT BELTS: If the vehicle was manufactured before 1 January 1965 it is not required to have 3 point front seatbelts. WING MIRRORS: If the vehicle was first used before 1 August 1978, it is only required to have ONE mirror from the following: an interior mirror, OR an exterior mirror fitted to the offside, OR an exterior mirror fitted to the nearside. CATALYTIC CONVERTOR: If the vehicle was manufactured before 1 August 1992, it is not required to have a catalytic convertor. CHILDREN AND SEATBELTS: If your vehicle doesn’t have seat belts, for example it’s a classic car, you aren’t allowed to carry any children under 3 years old in it. Children over 3 are only allowed to sit in the back seats. These rules only apply if your vehicle was originally made without seat belts.