19(1)A court before which a matter is pending must understand, without the assistance of an interpreter or any process of simultaneous translation or consecutive interpretation, the official language chosen under section 17 by a party to the matter.

19(2)A court before which a matter is pending must understand both official languages, without the assistance of an interpreter or any process of simultaneous translation or consecutive interpretation, if both English and French are the languages chosen by the parties to the proceedings.