Judge Carl Nichols says the Democrats’ legal challenge is premature as the administration moves to implement the measure. The ruling allowed the Trump administration to continue to pursue changes that include enlisting the Postal Service in checking voters against a national database. Key points and original sources are listed below.

• Judge Carl Nichols says the Democrats’ legal challenge is premature as the administration moves to implement the measure. A United States judge has declined to immediately block President Donald Trump’s executive order tightening rules on mail-in voting. But t...S1

• The ruling allowed the Trump administration to continue to pursue changes that include enlisting the Postal Service in checking voters against a national database.S2