TITLE 29 - US CODE - SUBCHAPTER III - MISCELLANEOUS PROVISIONS

29 USC 2651 - Effect on other laws

(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.

29 USC 2652 - Effect on existing employment benefits

(a) More protective 
Nothing in this Act or any amendment made by this Act shall be construed to diminish the obligation of an employer to comply with any collective bargaining agreement or any employment benefit program or plan that provides greater family or medical leave rights to employees than the rights established under this Act or any amendment made by this Act.
(b) Less protective 
The rights established for employees under this Act or any amendment made by this Act shall not be diminished by any collective bargaining agreement or any employment benefit program or plan.

29 USC 2653 - Encouragement of more generous leave policies

Nothing in this Act or any amendment made by this Act shall be construed to discourage employers from adopting or retaining leave policies more generous than any policies that comply with the requirements under this Act or any amendment made by this Act.

29 USC 2654 - Regulations

The Secretary of Labor shall prescribe such regulations as are necessary to carry out subchapter I of this chapter and this subchapter not later than 120 days after February 5, 1993.