29 U.S.C. § 2651

(a) Federal and State antidiscrimination laws Nothing in this Act or any amendment made by this Act shall be construed to modify or affect any Federal or State law prohibiting discrimination on the basis of race, religion, color, national origin, sex, age, or disability. (b) State and local laws Nothing in this Act or any amendment made by this Act shall be construed to supersede any provision of any State or local law that provides greater family or medical leave rights than the rights established under this Act or any amendment made by this Act.