; and (2) an estimate of the average sick time used by employees according to occupation and the type of employment establishment. (b) GAO study (1) In general Not later than 5 years after the date of enactment of this Act, the Comptroller General of the United States shall conduct a study to evaluate the implementation of this Act. Such study shall include an estimation of employees’ access to paid sick time, employees’ awareness of their rights under this Act, and employers’ experiences complying with this Act. Such study shall take into account access, awareness and experiences of employees by race, ethnicity, gender, and occupation. (2) Report Upon completion of the study required by paragraph (1), the Comptroller General of the United States shall prepare and submit a report to the appropriate committees of Congress concerning the results of the study and the information compiled pursuant to subsection (a). (c) Report on rail carrier enforcement Not later than 3 years after the date of enactment of this Act, the Secretary shall submit a report to Congress on any action by the Secretary under section 6(a) with respect to employers described in section 2(6)(B)(i)(V) providing paid sick time to employees described in section 2(5)(A)(iii). 9. Effect on other laws (a) Federal and State antidiscrimination laws Nothing in 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, disability, sexual orientation, gender identity, marital status, familial status, or any other protected status. (b) State and local laws Nothing in this Act shall be construed to supersede (including preempting) any provision of any State or local law that provides greater paid sick time or leave rights (including greater amounts of paid sick time or leave or greater coverage of those eligible for paid sick time or leave) than the rights established under this Act. 10. Effect on existing employment benefits (a) More protective