Sources:
1https://www.hhs.gov/sites/default/files/cms-1717-f2.pdf
2https://www.wsj.com/articles/trump-administration-price-transparency-rule-covering-hospitals-upheld-11592945973
3https://www.hhs.gov/about/news/2019/11/15/trump-administration-announces-historic-price-transparency-and-lower-healthcare-costs-for-all-americans.html