16.—(1) Notwithstanding the amendments made by this Order to articles 23, 24 and 25 of the principal Order and the revocation of articles 13, 38, 40 and 41 of that Order, in any case where a pension or allowance is awarded in respect of a period immediately before 12th April 1993 those provisions shall, for the duration of that award, continue to have effect as though this Order had not come into force.
(2) Notwithstanding the amendments made by this Order to articles 23, 24 and 25 of the principal Order, where treatment commenced before 12th April 1993 and a claim for an allowance under any of those provisions is made in respect of that treatment after 11th April 1993 the Secretary of State may determine the claim as though this Order had not come into force.