; (iv) encourage States to enter into data sharing agreements with Indian Tribes, Tribal organizations, and epidemiology centers to improve the quality and accuracy of public health data; and (v) not later than 180 days after the date of enactment of the Commitment to Defeat the Virus and Keep America Healthy Act , and biennially thereafter, issue a report on the following: (I) Which States have data sharing agreements with Indian Tribes, Tribal organizations, Urban Indian organizations, and Tribal epidemiology centers to improve the quality and accuracy of health data. (II) What the Centers for Disease Control and Prevention is doing to encourage States to enter into data sharing agreements with Indian Tribes, Tribal organizations, Urban Indian organizations, and Tribal epidemiology centers to improve the quality and accuracy of health data. (III) Best practices and guidance for States, Indian Tribes, Tribal organizations, Urban Indian organizations, and Tribal epidemiology centers that wish to enter into data sharing agreements. (IV) Best practices and guidance for local, State, Tribal, and Federal uniform standards for the collection of data on race and ethnicity. . (g) Definitions Section 306 of the Public Health Service Act ( 42 U.S.C. 242k ) is amended— (1) by redesignating subsection (n) as subsection (o)