8.— (1) Judicial notice shall be taken of the travaux préparatoires of the United Nations Commission on International Trade Law and its working group relating to the preparation of the Model Law.

(2) The travaux préparatoires referred to in subsection (1) may be considered when interpreting the meaning of any provision of the Model Law and shall be given such weight as is appropriate in the circumstances.

(3) Where parties agree that disputes under a contract or agreement or disputes arising out of a contract or agreement shall be submitted to arbitration, this shall include disputes as to the existence or validity of the contract or agreement.