I think it's important just to mention in regards to basic approval and CRL's (costume reference library) these are made up of consistent information in other words what the majority seen had, this is why "Mr No Stripes" is not approvable, he was a one off.
So there may be someone you see in a scene which goes against the norm and you may replicate that look, then it would be entirely up to your GML if they decided they would be approved as is.
Now whether the DO's approved that same look for the higher levels then that's really another question