S. 4003 would authorize the appropriation of $124 million over the 2023-2027 period to provide de‑escalation training for law enforcement personnel. CBO estimates that enacting S. 4003 would not affect direct spending or revenues. CBO estimates that implementing the legislation would cost $53 million over the 2023-2027 period; any spending would be subject to the availability of appropriated funds. The legislation contains no intergovernmental or private-sector mandates as defined in the Unfunded Mandates Reform Act.