The correct answer is D; There is no legal precedent in the federal courts.
Further Explanation:
As of January 2020, there is no legal precedent in the federal courts over protection of hair. There have been numerous cases heard in local, state, and federal court systems over the years about hair, but none have won a federal ruling.
If there is a dress code and it has been written and read in advance then the dress code must be followed. However, New York City, NY is making it a racial discrimination to discriminate people for the way they wear their hair to a job, school, etc. It is unknown if the federal courts will make a judgement on this in the future.
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