hi ya it was not thaty long ago that to to prove that your a bonafide windowcleaner you joind the FMW..........FEDERATION OF MASTER WINDOWCLEANERS, mainly for insurance purpersis, you got to use there logo and you got a certificate with a membership no on it, i talked to other window cleaners about this and there response was the same as we are hearing now, i have been going x amount of years what you need that for blah blah blah, this was when i started in 1982, nowday you can not get on a site without a cscs card an ipath licence ect ect imo it just pushes the price of work up then the smaller guys cant compete.