In any regulations made under section 4B of the Sea Fish (Conservation) Act 1967 (c. 84) any reference to the Secretary of State, or which includes a reference to the Secretary of State, is to be read, in relation to the exercise by the MMO of functions under or by virtue of section 4 or 4A of that Act (licensing of fishing boats and trans-shipment licences for vessels), as a reference to the MMO or, as the case may be, as including instead a reference to the MMO.