support the development of State infrastructure to, with respect to the provision of substance use disorder treatment or recovery services under the State plan (or a waiver of such plan), recruit prospective providers and provide training and technical assistance to such providers. (D) Funding For purposes of subparagraph (A), there is appropriated, out of any funds in the Treasury not otherwise appropriated, $50,000,000, to remain available until expended. (4) Post-planning States (A) In general The Secretary shall, with respect to the remaining 36-month period of the demonstration project conducted under paragraph (1), select not more than 5 States in accordance with subparagraph (B) for purposes of carrying out the activities described in paragraph (2) and receiving payments in accordance with paragraph (5). (B) Selection In selecting States for purposes of this paragraph, the Secretary shall— (i) select States that received a planning grant under paragraph (3)