153In section 29 of that Act (general interpretation)—
(a)before the definition of “benefit” there shall be inserted the following definition—
““appeal tribunal” means an appeal tribunal constituted under Chapter I of Part I of the Social Security Act 1998;”; and
(b)after the definition of “benefit” there shall be inserted the following definition—
““Commissioner” has the same meaning as in Chapter II of Part I of the Social Security Act 1998 (see section 39);”.