It is against the law to discriminate against someone based on their looks thus norms of appearance are not enforceable.

Question

Quizplus · Accepted Answer

While discrimination based on looks (appearance) is not universally legislated against, norms of appearance can be enforceable in certain contexts, such as workplace dress codes, as long as they do not discriminate based on protected characteristics like race, gender, religion, etc.

It Is Against the Law to Discriminate Against Someone Based