To remove any doubt, it is declared that—
(a) anything started by a National Board before commencement may be completed by the Board as continued in existence under section 4;
(b) a decision of a National Board before commencement is a decision of the Board as continued in existence under section 4;
(c) anything else done by a National Board before commencement is taken to have been done by the Board as continued in existence under section 4.