The IRS can share taxpayer data with federal immigration officials only in cases involving immigrants with final deportation orders or ongoing criminal investigations, according to a newly unsealed agreement between the Treasury and Homeland Security departments.

A federal judge is refusing to block the Internal Revenue Service from sharing immigrants’ tax data with Immigration and Customs Enforcement for the purpose of identifying and deporting people illegally in the U.

A federal judge won’t block a controversial Trump administration initiative to share highly sensitive taxpayer information with federal immigration authorities in hopes of tracking down undocumented immigrants and quickly deporting them out of the country.