recognized contributor is another of those wishy washy terms that can mean just about anything. in my experience there is basically no enforcement of 3rd party vehicle lighting in the usa. as a cyclist who rides in traffic 95% of the time i am routinely blinded by idjits with absurdly bright halogen/led lights on a high truck-body vehicle (suv/light truck). imo, this is a far more pressing safety issue than a few cyclists with chinese magicshine clones.