This European Standard specifies safety requirements and test methods for two track cycle trailers (i.e.with one or two wheels ) and their connecting devices.
DIN EN 15918:2011 history
2017DIN EN 15918:2017-05 Cycles - Cycle trailers - Safety requirements and test methods; German version EN 15918:2011+A2:2017
2017DIN EN 15918:2017 Cycles - Cycle trailers - Safety requirements and test methods (includes Amendment :2017)