DanCohen17
Simply The Best
Yes, the process goes up to L3.Definitely at L4 and below, you are required to follow correct cautioning procedures. A "quick card" will get you a development point and possible mark down. The FA refereeing dept is very clear on this. I believe that it is also required at L3 but cannot be certain.
Not strictly fully true though. Whilst the referee must do the full process (name, isolation etc), when the regional L4 meetings happened a couple of years back, they talked about appropriate use of the quick card technique to diffuse situations. They did stress that after the quick card, the remainder of the process is to be done "properly", and to be wary of overusing the quick card, which would result in minus marks