; and (2) contracting with independent researchers to evaluate the performance and impact of selected initiatives supported by the Community-Based Violence Intervention Program grant, and such evaluations shall be made publicly available on the website of the Bureau of Justice Assistance. (n) Nonsupplanting clause A grantee receiving a grant under this section shall use the grant to supplement, and not supplant, the amount of funds the grantee would otherwise dedicate to reducing gun and group-related violence in the community of the grantee. (o) Authorization of appropriations There are authorized to be appropriated to the Bureau of Justice Assistance, in addition to any amounts otherwise authorized to be appropriated or made available to the Bureau of Justice Assistance, $65,000,000 for each of fiscal years 2020 through 2029. 4. Hospital-based violence intervention grants (a) Grants The Director of the National Institutes of Health (referred to in this section as the Director ) shall award grants on a competitive basis to support hospital-based or hospital-linked violence intervention programs that work to interrupt cycles of violence and reduce risk of violent injury and retaliation among patients identified as being at highest risk for involvement in community violence. (b) Eligibility Grants shall be made available under this section to private and public hospitals that treat at least 250 patients annually for firearm assault or stabbing injuries, and to community-based organizations that operate violence intervention programs in such hospitals. (c) Priority In awarding grants under this section, the Director shall give priority to nonprofit hospitals that serve communities with the highest incidence of violent injury and injury recidivism, and community-based organizations that operate violence intervention programs in such hospitals. (d) Grant requirements (1) In general Each grant awarded under this section shall be used to implement or enhance a hospital-based or hospital-linked violence intervention