A federal judge has blocked key parts of President Donald Trump’s attempt to make it harder to register to vote without providing documents proving U.S. citizenship. U.S. District Judge Colleen Kollar-Kotelly ruled Thursday that Trump’s sweeping executive order requiring federal agencies to impose the new voter registration standards was an attempt to usurp the powers of Congress and the states.

In a win for unions, U.S. District Judge Paul L. Friedman of the District of Columbia said an executive order issued in March by President Donald Trump stripping union rights from hundreds of thousands of federal employees was “unlawful.