5(1)The Port Authority and the company may issue a joint certificate stating that any property specified in the certificate, or any such interest in or right over any such property as may be so specified, or any right or liability so specified, was or was not transferred by the scheme under section 22 above to the company; and any such certificate shall be conclusive evidence for all purposes of that fact.E+W+S
(2)If, after the end of the period of one month beginning with the date of a request by the Port Authority or the company for the preparation of such a joint certificate as respects any property, interest, right or liability, the Port Authority and the company have failed to agree on the terms of the certificate, they shall refer the matter to the Secretary of State and issue the certificate in such terms as the Secretary of State may direct.