Section 144: Exclusion of implied terms

(1) Where a right, duty of liability would arise under a contract for the supply of a service, it may be negated or varied by express agreement or by the course of dealing between the parties or by such usage as binds both parties to the contract provided that an express term does not negate a term implied by this section unless it is inconsistent with it.
(2) A supplier ofservice shall not, while dealing with a consumer, exclude or restrict its liability for breach of any term implied under sections 142 (3) and 143 of this Act.
(3) Nothing in this section shall prejudice any rule of law which imposes on the supplier a duty stricter than that imposed by section 143 of this Act.