; and (2) the grantee shall repay to the Federal Government any amounts that the grantee— (A) received through the grant; and (B) has not obligated or expended. (g) Funding To carry out this section, there are authorized to be appropriated such sums as may be necessary for fiscal year 2021 and each subsequent fiscal year. 4. Technical assistance for political subdivisions of a State The Secretary of Health and Human Services, acting through the Assistant Secretary for Mental Health and Substance Use and in consultation with the Assistant Attorney General for the Civil Rights Division of the Department of Justice, shall provide technical assistance to grantees under section 3 (or other Federal law), other political subdivisions of States, and States to hire, employ, train, and dispatch mental health professionals to respond in lieu of law enforcement officers, as described in section 3. 5. Study (a) In general The Secretary of Health and Human Services and the Assistant Attorney General for the Civil Rights Division of the Department of Justice shall conduct a study of the effectiveness of programs and activities under sections 3 and 4. (b) Qualitative and longitudinal examination The study under subsection (a) shall include a qualitative and longitudinal study of— (1) the number of persons diverted from arrests; and (2) short- and long-term outcomes for those persons, including reduced recidivism, reduced incidences of use of force, and reduced utilization of resources. (c) Completion; report Not later than 3 years after the date of enactment of this Act, the Secretary of Health and Human Services and the Assistant Attorney General for the Civil Rights Division of the Department of Justice shall— (1) complete the study under subsection (a); (2) submit a report to the Congress on the results of such study; and (3) publish such report.