non-retroactivity

First, I would like to welcome the provision regarding the non-retroactivity of this harmonisation.

By virtue of the non-retroactivity of Soviet copyright laws, all works published before this date are public domain.

Article 9.3 of the Spanish Constitution guarantees the principle of non-retroactivity of punitive provisions that are not favorable to or restrictive of individual rights.

For criminal law, note that the principle of non-retroactivity of criminal law governs all matters affecting the absolute priority, divided only by the equally important notion of the " favor rei .

At the beginning, the Committee on Fisheries did not deliver a favourable opinion, at least not wholly favourable, and took the view that this principle of non-retroactivity was a fundamental principle of Community legislation.

Is the Romanian Government truly exempt, because of its duty to eradicate corruption, from a basic principle of the European Union, which is the non-retroactivity of current laws, under which adoptions have hitherto been processed?

However, Article 4, titled "Non-retroactivity of the present Convention" of the same document states that Vienna Convention on the Law of Treaties shall not be retroactively applied to any treaties made before itself.