Mississippi Supremacy Clause Enforcement Act; create to prohibit the enforcement of Sharia Law.

Mississippi HB 604 prohibits Mississippi courts from enforcing foreign laws - including Sharia law - in contracts or court decisions that conflict with constitutional rights. It voids marriage and child custody contracts referencing foreign law, bans foreign law in family court cases (like custody or paternity), and requires all rulings to follow U.S. or state law. The law defines "foreign law" broadly to exclude U.S. federal/state laws and constitutional protections. The bill died in committee on February 3, 2026, and was never enacted.