7. (1) Any provision of this Act, or the Taxation Acts, that confers a function on the Commissioners shall be read as conferring the function on, and accordingly as enabling, subject to the rules of procedure, if any, adopted under section 6(5), the function to be performed by, any one of the Commissioners.

(2) Without prejudice to the generality of subsection (1), the granting of authority of the kind referred to in section 5(2) to a member or members of staff may, subject to the rules of procedure, if any, adopted under section 6(5), be done by any one of the Commissioners.