The amendments made to the 1943 Act by paragraphs 3 and 4 of Schedule 1 to the 2004 Act, and the repeal of section 6(2) to (2B) in Schedule 3 to that Act, shall not have effect in relation to any appeal against a decision of a Pensions Appeal Tribunal under section 1, 2, 3, 4, or 5A of the 1943 Act where that decision is made before 6th April 2005.