No Bill of Attainder or ex post facto Law shall be passed.

• Historical Background on Bills of Attainder
• Bills of Attainder Doctrine
• Ex Post Facto Laws
  • Overview of Ex Post Facto Laws
  • Historical Background on Ex Post Facto Laws
  • Retroactivity of Ex Post Facto Laws
  • Ex Post Facto Law Prohibition Limited to Penal Laws
  • Increasing Punishment and Ex Post Facto Laws
  • Imposing Criminal Liability and Ex Post Facto Laws
  • Civil Commitment, Sex Offender Registration, and Ex Post Facto Laws
  • Procedural Changes and Ex Post Facto Laws
  • Employment Qualifications and Ex Post Facto Laws
  • Retroactive Taxes and Ex Post Facto Laws
  • Ex Post Facto Prohibition and Judicial Decisions
  • Ex Post Facto Laws, Deportation, and Related Issues