Hansi Lo Wang

A federal court has ordered the Trump administration to abandon last-minute changes to the 2020 census schedule and extend the time for counting for an additional month.

Updated Monday at 7:41 p.m. ET

Weeks before the Trump administration announced it was cutting the 2020 census schedule short, career officials at the Census Bureau attempted to send signal flares about how that last-minute decision would lead to "fatal" data problems with the national head count and the perception of "politically-manipulated results."

Updated on Sept. 23 at 10:29 a.m. ET

President Trump said it was a "situation that has to be."

The winding down of the 2020 census must remain on hold nationwide through Sept. 24 at the latest, a federal judge in California has ordered.

The Trump administration is turning to the Supreme Court to try to revive the president's attempt to exclude unauthorized immigrants from the census numbers used to determine each state's share of seats in Congress.

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