(1) This section applies to an agreement that -
(a) is made by an authorised person ("the provider") in the course of carrying on a regulated activity,
(b) is not made in contravention of the general prohibition,
(c) if it relates to a credit-related regulated activity, is not made in contravention of section 20, and
(d) is made in consequence of something said or done by another person ("the third party") in the course of -
(i) a regulated activity carried on by the third party in contravention of the general prohibition, or
(ii) a credit-related regulated activity carried on by the third party in contravention of section 20.
(1ZA) But this section does not apply to a regulated credit agreement or a regulated consumer hire agreement unless the provider knows before the agreement is made that the third party had some involvement in the making of the agreement or matters preparatory to its making.
(1A) An agreement to which this section applies is unenforceable against the other party.
…