Tasmanian Consolidated Acts
(1) An industrial agreement may be varied, renewed, or cancelled by a subsequent industrial agreement made by and between all the parties to the agreement, but so that no party is deprived of the benefit of an agreement by a subsequent industrial agreement to which he is not a party.
(2) Without prejudice to subsection (1), the Commission may, by order, vary an industrial agreement on receipt of an application by the parties to the agreement.