; and (2) by adding at the end the following new subsection: (bb) Additional payments for certain rural health clinics with physicians or practitioners receiving DATA 2000 waivers (1) In general In the case of a rural health clinic with respect to which, beginning on or after January 1, 2019, rural health clinic services (as defined in section 1861(aa)(1)) are furnished for the treatment of opioid use disorder by a physician or practitioner who meets the requirements described in paragraph (3), the Secretary shall, subject to availability of funds under paragraph (4), make a payment (at such time and in such manner as specified by the Secretary) to such rural health clinic after receiving and approving an application described in paragraph (2). Such payment shall be in an amount determined by the Secretary, based on an estimate of the average costs of training for purposes of receiving a waiver described in paragraph (3)(B). Such payment may be made only one time with respect to each such physician or practitioner. (2) Application In order to receive a payment described in paragraph (1), a rural health clinic shall submit to the Secretary an application for such a payment at such time, in such manner, and containing such information as specified by the Secretary. A rural health clinic may apply for such a payment for each physician or practitioner described in paragraph (1) furnishing services described in such paragraph at such clinic. (3) Requirements For purposes of paragraph (1), the requirements described in this paragraph, with respect to a physician or practitioner, are the following: (A) The physician or practitioner is employed by or working under contract with a rural health clinic described in paragraph (1) that submits an application under paragraph (2). (B) The physician or practitioner first receives a waiver under section 303(g) of the Controlled Substances Act on or after January 1, 2019. (4) Funding For purposes of making payments under this subsection, there are appropriated, out of amounts in