How can we identify categories of legal rules?
Understanding ICPE regulations: general concepts

Constitutional rules form the constitutional framework. This framework consists notably of the following rules: the Constitution of October 4, 1958, the founding text of the Fifth Republic; the Declaration of the Rights of Man and of the Citizen of 1789; and the Environmental Charter of 2004 (see Legifrance, under “French Law” then “Constitution”). Certain freedoms have also been recognized by the Constitutional Council as having constitutional value: this is the case with the freedom of enterprise and the freedom of contract.

Under French law, no legal rule may conflict with constitutional provisions.

The Constitutional Council is responsible for ensuring that laws comply with the Constitution. If it finds that a law is unconstitutional, that law...