Candidates for U.S. citizenship take the oath of allegiance during a 2017 naturalization ceremony in Jersey City, N.J. A federal judge’s order Wednesday could complicate the Census Bureau’s plans to finalize census questionnaires and start printing paper forms for the national head count by July 1.

Candidates for U.S. citizenship take the oath of allegiance during a 2017 naturalization ceremony in Jersey City, N.J. A federal judge’s order Wednesday could complicate the Census Bureau’s plans to finalize census questionnaires and start printing paper forms for the national head count by July 1.