data from tribal and rural areas within such State, in order to generate a statistically reliable representation of such areas. (d) Authorization of appropriations To carry out this section, there are authorized to be appropriated such sums as may be necessary for the period of fiscal years 2019 through 2021. 507. Reauthorization of NASPER Section 399O of the Public Health Service Act ( 42 U.S.C. 280g–3 ) is amended— (1) in subsection (a)— (A) in paragraph (1), in the matter preceding subparagraph (A), by striking Administrator of the Substance Abuse and Mental Health Services Administration and Director of the Centers for Disease Control and Prevention and inserting Director of the Centers for Disease Control and Prevention and the Assistant Secretary for Mental Health and Substance Use Disorders