4.—(1) The re-enactment of provisions in these Regulations, and the consequent revocation of those provisions by these Regulations, does not affect the continuity of the law.
(2) The general rule is that the provisions of these Regulations apply, in accordance with sub paragraph (1), to matters arising before the commencement of these Regulations as to matters arising after that commencement.
(3) The general rule has effect subject to any express provision to the contrary, and to paragraph 2 of Part II.
(4) The general rule does not mean that the provisions of these Regulations apply to cases to which the corresponding revoked provisions did not apply by virtue of transitional provision made in connection with the commencement of the revoked provisions (such transitional provisions are saved by paragraph 1 of Part II).