; or (ix) a Federally qualified health center (as defined in section 1861(aa)(4)). (E) Declared emergency or disaster The term declared emergency or disaster means a major disaster or an emergency (as those terms are defined in section 102 of the Robert T. Stafford Disaster Relief and Emergency Assistance Act ( 42 U.S.C. 5122 )), or an emergency or disaster as declared by a Governor of any State or Indian Tribal government, but does not include an emergency that results from a labor dispute in the health care industry or consistent understaffing. (F) Standards of safe patient care The term standards of safe patient care means the recognized professional standards governing the profession of the nurse involved. (10) Relationship to State law Nothing in this subsection shall be construed to preempt any State law that provides greater protections with respect to mandatory overtime for nurses. . (b) Effective date The amendments made by this section shall take effect 1 year after the date of enactment of this Act. 4. Reports (a) Standards on safe working hours for nurses (1) Study The Secretary of Health and Human Services, acting through the Director of the Agency for Healthcare Research and Quality, shall conduct a study to establish appropriate standards for the maximum number of hours that a nurse who furnishes health care to patients may work without compromising the safety of such patients. Such standards may vary by provider of service and by department within a provider of services, by duties or functions carried out by nurses, by shift, and by other factors that the Director determines appropriate. The Director may contract with an eligible entity or organization to carry out the study under this paragraph. (2) Report Not later than 2 years after the date of the enactment of this Act, the Secretary shall submit to Congress a report on the study conducted under paragraph (1) and shall include recommendations for such appropriate standards of maximum work hours. (b) Report on mandatory overtime in Federally