Consult your local lawyer, which I am not. That said, see The Supreme Court case https://en.wikipedia.org/wiki/United_Steelworkers_v._Weber https://en.wikipedi

Consult your local lawyer, which I am not. That said, see The Supreme Court case https://en.wikipedia.org/wiki/United_Steelworkers_v._Weber https://en.wikipedia.org/wiki/United_Steelworkers_v._Weber It lays out requirements for a legal quota system.