2(1)Section 17 (decisions superseding earlier decisions) is amended as follows.E+W+S
(2)In subsection (1)—
(a)in paragraphs (b) and (d) after “any decision of” there is inserted “ an appeal tribunal or ”;
(b)in paragraph (e) after “any decision of“ there is inserted “a Child Support Commissioner or”.
(3)After subsection (5) there is inserted—
“(6)In this section—
“appeal tribunal” means an appeal tribunal constituted under Chapter 1 of Part 1 of the Social Security Act 1998 (the functions of which have been transferred to the First-tier Tribunal);
“Child Support Commissioner” means a person appointed as such under section 22 (the functions of whom have been transferred to the Upper Tribunal).”