A retroactive law was passed making the action legal.

Retroactive laws had to be manufactured to fit the nature of the crimes.

Usually the terms ex post facto law or retroactive law are used.

The episode's title is Latin for "from a thing done afterward", and refers to the concept of retroactive law.

Punishment under retroactive laws can not possibly accomplish deterrence.

Israel then passed several retroactive laws that legalised the expropriation of the al-Jalama land.

"There are not retroactive laws," he said.

"I will manage, Clodius, without a retroactive law.

Article 28I of the Indonesian constitution prohibits trying citizens under retroactive laws in any circumstance.

The question of whether only lawbreakers can be punished is connected to the validity of retroactive laws.

The United States Constitution, however, prohibits retroactive laws.

Paragraph X. Bill of attainder; ex post facto laws; and retroactive laws.

Whether wrongdoers can and should be punished under retroactive laws was particularly important around the end of World War II.

In European Union law the general principle of legal certainty prohibits retroactive laws, i.e. laws should not take effect before they are published.

The problem with that argument, legislators on the judicial committee said in interviews Monday, is that the State Constitution prohibits retroactive laws.

Norman Siegel, executive director of the New York Civil Liberties Union, said his group would almost certainly challenge a retroactive law.

The Supreme Court's ruling said the Constitution's ban on retroactive laws prohibited prosecution for offenses that had been previously barred by the passage of time.

Furthermore, the body of the Constitutions has a phrase that explicitly bans retroactive laws: clause 3 of Article I, section 9.

He had been tried under retroactive laws which were introduced after the bombing and which were employed to aid the prosecution of those involved in the attack.

Australia has no strong constitutional prohibition on ex post facto laws, although narrowly retroactive laws might violate the constitutional separation of powers principle.

This does not apply to Mr. Zhivkov, Mr. Alexandrov made clear, because Bulgaria does not pass retroactive laws.

Praetor and ally of Pompey, Hypsaeus was later tried under Pompey's retroactive laws on violence and corruption (52 BC) for bribery.

Article 11 of preliminary provisions to the Italian Civil Code and Article 3, paragraph 1, of the Statute of taxpayer's rights prohibit retroactive laws on principle.

Since most guns in the city are illegal, Mr. Leffler said, he doubted that owners of such guns would obey a retroactive law requiring them to add locks, as the Mayor proposed.

No bill of attainder, ex post facto law, retroactive law, or laws impairing the obligation of contract or making irrevocable grant of special privileges or immunities shall be passed.