00:00The principle of immutability is a legal rule that prohibits modifying a situation, an act, or the object of
00:05'a trial once they have been officially established, in order to guarantee the stability and security of the law.
00:10This applies particularly in civil procedure; the parties cannot change the subject matter of their ongoing dispute.
00:15In court, there is a prohibition against arbitrarily changing one's family name, and historically, there are matrimonial regimes, well
00:21that this latter area now favours a regulated mutability.
