Ezra 10:8
And that whosoever would not come within three days, according to the counsel of the princes and the elders, all his substance should be forfeited, and himself separated from the congregation of those that had been carried away.
Cross-reference
Ezra 7:26 lists similar penalties (confiscation, banishment) for lawbreakers, mirroring the forfeiture and separation decreed here.
Ezra 9:1 introduces the intermarriage problem that prompted the decree in 10:8—provides direct contextual background.
Leviticus 27:28 defines 'cherem' (devoted property), the legal concept behind the forfeiture here—property set apart to God.
Matthew 18:17 instructs treating an unrepentant believer as an outsider, akin to the separation from the congregation decreed here.
John 9:22 mentions being put out of the synagogue for confessing Christ, mirroring the penalty of separation from the congregation here.
John 9:34 records the actual casting out of the blind man, an example of the excommunication penalty referenced here.
Deuteronomy 17:12 orders purging those who defy priests—similar principle of punishing disobedience to religious authority.
In 1 Corinthians 5:13, Paul commands expelling the wicked—mirroring Ezra's decree to separate transgressors from the congregation.