1. 21 U.S.C § 823 (2011). Registration requirements. Available at: https://www.gpo.gov/fdsys/pkg/USCODE-2011-title21/html/USCODE-2011-title21-chap13-subchapI-partC-sec823.htm .
2. 42 C.F.R. Part 8, Subpart F (2016). Authorization to increase patient limit to 275 patients. Available at: http://federalregister.gov/a/2016-16120 .
3. 42 C.F.R. § 8.12 (2016). Federal opioid treatment standards. Available at: https://www.gpo.gov/fdsys/pkg/CFR-2002-title42-vol1/pdf/CFR-2002-title42-vol1-sec8-12.pdf .
4. 42 U.S.C. § 300gg-6(a) (2010). Coverage for essential health benefits package. Available at: https://www.gpo.gov/fdsys/pkg/USCODE-2010-title42/pdf/USCODE-2010-title42-chap6A-subchapXXV-partA-subpart1-sec300gg-6.pdf .
5. 45 C.F.R. § 156.115(a)(3) (2015). Health insurance issuer standards under the Affordable Care Act, including standards relating to exchanges, essential health benefits. Provision of EHB. Available at: https://www.gpo.gov/fdsys/pkg/CFR-2013-title45-vol1/pdf/CFR-2013-title45-vol1-sec156-115.pdf .