(1) Part 1 extends to England and Wales, Scotland and Northern Ireland.

(2) Part 2 extends only to England and Wales and Scotland, except that the following provisions of that Part extend also to Northern Ireland -

(a) section 23(3);

(b) paragraph 11 of Schedule 1;

(c) paragraphs 36 to 39 of Schedule 2.

(3) Part 3 extends to England and Wales, Scotland and Northern Ireland, except as follows -

(a) paragraphs 15 to 44, 69 to 84 and 101 to 107 of Schedule 6 extend only to England and Wales and Scotland;

(b) paragraphs 52 to 68, 96, 108 to 123 and 127 to 139 of that Schedule extend only to England and Wales;