Anything done (or having effect as if done) by or in relation to the Commission before the commencement date for the purpose of, or in connection with, any function transferred by virtue of article 3 shall, so far as is required for continuing its effect from that date, have effect as if done by or in relation to the Secretary of State.

Any enactment, instrument or other document has effect, so far as necessary for the purposes of or in consequence of the transfer effected by article 3, as if any reference to the Commission were a reference to the Secretary of State.

Nothing in article 3 shall affect the validity of anything done (or having effect as if done) by or in relation to the Commission before the commencement date.

Where, on or after the commencement date, any document or notice relating to a function transferred to the Secretary of State by virtue of article 3 is given or sent to any person by the Secretary of State which contains a reference to the Commission, that document or notice is not to be invalidated by virtue of that reference.