The letter highlights a recent incident where ICE officers shot and wounded an immigrant in Marble Hill, near a parking lot that local officials stated ICE had been using as a staging area. The signatories emphasized that such use of private property can place owners, employees, and customers at the center of controversial enforcement actions.

Among the officials who signed the letter are New York's two senators, Chuck Schumer and Kirsten Gillibrand, House Minority Leader Hakeem Jeffries, City Council Speaker Julie Menin, and a majority of the City Council. The initiative targets the use of private lots, including specific instances on Northern Boulevard in Queens and Morton Street in Lower Manhattan, where protests have previously occurred.

This push follows actions by other entities, such as the owner of the Morton Street garage, who ended their contract with ICE after local protests. The Hudson River Park Trust also let its parking contract with the Department of Homeland Security expire in June after public outcry. The city government has also taken steps to ensure its own properties are not used for federal immigration enforcement, in line with sanctuary laws.