19. In section 26 (validity and revision of certain agreements), for subsection (1A) substitute—
“(1A) Subsection (1) does not apply to—
(a)any term in a contract for the provision of employment services;
(b)any term in a contract which is a group insurance arrangement; or
(c)a term which—
(i)is in an agreement which is not a contract of either of those kinds, and
(ii)relates to the provision of employment services or the provision under a group insurance arrangement of facilities by way of insurance.”.