(1) Any term of a contract which purports to exclude or restrict liability for breach of the obligations arising from -

(a) section 12 of the Sale of Goods Act 1979 (seller's implied undertakings as to title etc.);

(b) section 8 of the Supply of Goods (Implied Terms) Act 1973 (implied terms as to title in hire-purchase agreements),

shall be void.

(1A) Any term of a contract which purports to exclude or restrict liability for breach of the obligations arising from -

(a) section 13, 14 or 15 of the 1979 Act (seller's implied undertakings as to conformity of goods with description or sample, or as to their quality or fitness for a particular purpose);

(b) section 9, 10 or 11 of the 1973 Act (the corresponding things in relation to hire purchase),

shall have effect only if it was fair and reasonable to incorporate the term in the contract.