SAN JOSE — Santa Clara County plans to mount a legal challenge to President Donald Trump’s executive order stripping so-called sanctuary jurisdictions of federal funding.

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H-1B: Trump administration pushes ahead on long-promised changes to controversial visa The Board of Supervisors voted unanimously in a closed session Tuesday to file a lawsuit.

“This lawsuit is being filed to block an unconstitutional act by the president that threatens to cripple state and local governments that do not participate in his aggressive approach to immigration enforcement,” the county said in a statement late Tuesday.

The county receives about $1 billion in federal funding, which is used to support health and human services for vulnerable members of the community, according to the statement.

The executive order, which was signed Jan. 25, withholds funding from sanctuary jurisdictions that “willfully violate federal law in an attempt to shield aliens from removal from the United States.”

The county will join San Francisco in challenging the order. The city’s suit, filed Tuesday, claims the order is unconstitutional and a severe invasion of the city’s sovereignty.

According to the Los Angeles Times, San Francisco and Santa Clara County are among 400 jurisdictions across the country that have a policy regarding how they deal with people in the country illegally.

The county plans to release additional details about the suit when it is filed Thursday or Friday.

The Associated Press contributed to this report.