The court reversed a judge’s order that had said New York erred in its rollout of the tax, granting Mayor Zohran Mamdani a victory over a key piece of his agenda.
The court’s ruling came just hours after administration lawyers asked the justices to immediately order California to set aside 20,000 mail-in ballots.
Voters dropping their ballots off in San Francisco last month. The Trump administration’s legal challenge to 20,000 California ballots is part of a broader effort to argue that the elections could be marred by illegal votes by noncitizens.
Judge Ana C. Reyes said an outside investigator would help determine whether parks officials or Justice Department lawyers withheld plans for Washington’s East Potomac Park.
A federal judge on Friday called for an investigation into whether the Trump administration concealed its plans to renovate a public golf course at East Potomac Park.