Directly affected: state political subdivisions (cities, counties, and similar local governments) that enacted or maintained the statute’s defined "sanctuary" laws or practices during the covered window. Those jurisdictions must review grant receipts, identify any federal funds received but not obligated while the policy was in effect, and return those amounts unless excluded or suspended by the correction grace period. This will create administrative work for local finance and legal offices and may result in net reductions in available local grant dollars.

Indirectly affected: residents and service recipients in affected jurisdictions, including immigrant communities, could experience changes in how local agencies share information with federal authorities and how local programs are funded or prioritized. Law enforcement agencies and other local departments that interact with federal grant programs may face new compliance steps or policy changes. Federal grant administrators will need to track eligibility, identify covered funds, notify recipients, and manage recoveries.

Budget and program impacts: Recoveries would reduce net grant spending at the local level and could shift how localities budget federal grants. The exclusion for a crime‑control grant program and the corrective grace period limit immediate fiscal shock but do not remove potential financial pressure on smaller or resource‑constrained jurisdictions.

Legal and operational considerations: The law requires factual determinations about whether a local rule qualifies as a prohibited "sanctuary" policy and which funds remain unspent and therefore subject to return; these assessments could trigger disputes or litigation. The administrative burden and potential fiscal exposure could incentivize jurisdictions either to change local policies or to more carefully document obligations of federal funds to avoid return requirements.