This European Standard specifies the requirements and the test methods of the apertures for the delivery of letter postitems when fitted in accordance with the manufacturers instructions.
EN 13724:2002 history
2016EN 13724:2013/AC:2016 Postal services - Apertures of private letter boxes and letter plates - Requirements and test methods
2013EN 13724:2013 Postal services - Apertures of private letter boxes and letter plates - Requirements and test methods
2002EN 13724:2002 Postal services Apertures of private letter boxes and letter plates Requirements and test methods