A federal judge in New York refused the Justice Department’s effort to change its legal team in a fight over President Trump’s push to add a question about citizenship status onto the 2020 census because they did not provide a sufficient explanation.

“Defendants provide no reasons, let alone ‘satisfactory reasons,’ for the substitution of counsel,” wrote U.S. District Judge Jesse Furman, who is presiding over one of three lawsuits that aim to keep to the citizenship question off the census.