2 Contract (Third Party Rights) (Scotland) Act 2017 (asp 5)
(2) The undertaking referred to in section 1(1)(a) may be one which depends on something
happening or not happening (whether or not it is certain that that thing will or will not
happen).
(3)
The intention of the contracting parties referred to in section 1(1)(b) may be express or implied.
despite the fact that—
(a) the undertaking may be cancelled or modified,
(b) there has been no delivery, intimation or communication of the undertaking to the
person.
(5) The reference in section 1(1)(a) to an undertaking to do something includes an
undertaking to indemnify a person.
(6) The reference in section 1(1)(a) to an undertaking not to do something includes an
undertaking—
(a) not to hold a person liable in a matter,
(b) not to enforce, or not to enforce in full, a person’s liability in a matter.
(7) This Act is without prejudice to any other enactment, or rule of law, that imposes
requirements which must be fulfilled if an enforceable obligation is to be created.
3 Contracting parties’ freedom to alter third party’s entitlement
(1) An undertaking contained in a contract which has given rise to a third-party right may
be cancelled or modified by the contracting parties.
(2) Nothing in this Act precludes a contract from providing that an undertaking, which is
contained in the contract and in relation to which a third-party right has arisen, will not
be cancelled or modified by the contracting parties.
(3) Subsection (1) is subject to sections 4 to 6.
4 Protection of third party’s entitlement from retroactive change
(1) No account is to be taken of the cancellation or modification of an undertaking
contained in a contract where and in so far as the undertaking is being enforced or
otherwise invoked—
(a) by virtue of a person’s third-party right to do so, and
(b) in consequence of something happening or not happening prior to the undertaking
being cancelled or (as the case may be) the modification being made.
(2) Subsection (1) does not apply in relation to a cancellation or modification if the contract
provided that it may be made with retroactive effect.
5 Protection of third party’s entitlement after notice given
(1) Subsection (2) applies (subject to subsections (3) and (4)) where—
(a) a person who has a third-party right arising from an undertaking contained in a
contract is given notice of the undertaking by a contracting party, and
(b) the undertaking is subsequently cancelled or modified.