The standards established under this part supersede any State law or regulation (other than State licensing laws or State laws relating to plan solvency) with respect to the MA plans that are offered by MA organizations.

See https://www.ecfr.gov/cgi-bin/text-idx?SID=a1c5e7bdd69183765b66f39e2833578d&mc=true&node=pt42.3.422&rgn=div5