This is unacceptable and sad, I am glad that cemetery has changed its policy, but racist et cetera things like this in the law & deeds & rules et cetera need to be removed everywhere now.
Here is a news article about this by KPLC called Louisiana Family Denied Burial Plot In ‘Whites Only’ Cemetery:
https://www.kplctv.com/2021/01/28/oberlin-family-denied-burial-plot-whites-only-cemetery/