57. In paragraph 5—
(a)in sub-paragraph (1)—
(i)in paragraph (a) after “supplied to” there shall be inserted “the Treasury or”, and
(ii)in paragraph (b) after “purposes by” there shall be inserted “the Treasury or”, and
(iii)in that paragraph for “his behalf” there shall be substituted “their behalf”;
(b)in sub-paragraph (2)(a) after “assisting” there shall be inserted “the Treasury or”;
(c)in sub-paragraph (4A)—
(i)after “Before” there shall be inserted “the Treasury or”, and
(ii)for “he” there shall be substituted “they”; and
(d)in sub-paragraph (5), in the definition of “relevant functions” after “functions” there shall be inserted—
“(a)in relation to the Treasury means their functions under this Act, and
(b)”.