This British Standard specifies requirements for retroreflecting number plates for vehicles. The standard includes requirements for colorimetric and photometric properties and tests for weather resistance, resistance to impact, bending, vibration, corrosion, solvents, water and extremes of temperature.
NOTE. Retroreflecting number plates may be manufactured from any material which performs satisfactorily in service, providing the requirements of this standard are met.
BS AU 145d:1998 history
2018BS AU 145e:2018 Specification for retroreflecting number plates
1998BS AU 145d:1998 Specification for retroreflecting number plates