Article 19 Effect of correction
(1)
If a correction is made in pursuance of Article 17—
(a)
the original decision is taken not to have been made;
(b)
the decision is taken for all purposes to have been made on the date the correction notice is issued.
(2)
If a correction is not made—
(a)
the original decision continues to have full force and effect;
(b)
nothing in this Part affects anything done in pursuance of or in respect of the decision.