ladder law

So I came across these guys while trying to expand my knowledge of safety and ladder etiquette. https://ladderassociation.org.uk/ Is any fellow tradders a member of this association? or used them for training and ladder safety? Thanks  

I know a lot of window cleaners here will not use ladders for their own personal reasons and I respect that, however for the people that do use ladders and want clarification on the law and safety this will help. I've done some digging around the site and there is no comprehensive post that has...