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Bill of attainder

When a legislative act declares a particular person guilty of a crime (usually treason), such bills are prohibited under Article I, Section 9 of the Constitution.
 

Definition from Nolo’s Plain-English Law Dictionary

A legislative act that declares a named person guilty of a crime, particularly treason. Such bills are prohibited by Article I, Section 9 of the United States Constitution.

Definition provided by Nolo’s Plain-English Law Dictionary.

August 19, 2010, 5:11 pm

When a legislative act declares a particular person guilty of a crime (usually treason), such bills are prohibited under Article I, Section 9 of the Constitution.