; (B) on behalf of the Director, developing and issuing, on or before March 1 of each year and in accordance with paragraph (4), a National Treatment Plan to ensure the coordination and consistency described in subparagraph (A); (C) assessing the sufficiency of Federal resources directed to substance use disorder treatment by the relevant National Drug Control Program Agencies; (D) encouraging the adoption by substance use disorder treatment providers of evidence-based standards to guide all aspects of treatment provided; and (E) advising the Director on the efforts of each National Drug Control Program Agency to implement the National Treatment Plan. (3) Staff The Director shall assign such permanent staff of the Office of the United States Treatment Coordinator as the Director determines to be appropriate to assist the United States Treatment Coordinator to carry out the responsibilities described in paragraph (2), and may request that appropriate National Drug Control Program Agencies detail or assign staff to assist in carrying out such responsibilities. (4) National treatment plan (A) Purposes The National Treatment Plan— (i) shall identify the unmet need for treatment for evidence-based substance use disorders including opioid use disorders, and set forth the Government’s strategy for closing the gap between available and needed treatment; (ii) shall describe the specific roles and responsibilities of the relevant National Drug Control Program Agencies for implementing that strategy; (iii) shall identify the specific resources required to enable the relevant National Drug Control Program Agencies to implement that strategy; (iv) shall identify the resources, including private sources, required to eliminate the unmet need for evidence-based substance use disorder treatment