the estimated number of providers that would have otherwise delivered such services in the absence of such demonstration project. (iii) The number of individuals enrolled under the State plan (or a waiver of such plan) who received substance use disorder services under the demonstration project compared to the estimated number of such individuals who would have otherwise received such services in the absence of such demonstration project. (iv) Other matters as determined by the Secretary. (B) CMS reports (i) Interim report Not later than October 1, 2022, the Administrator of the Centers for Medicare & Medicaid Services shall submit to Congress an interim report on activities carried out under the demonstration project under this subsection. (ii) Final report Not later than October 1, 2024, the Administrator of the Centers for Medicare & Medicaid Services shall submit to Congress a final report on activities carried out under the demonstration project under this subsection. .