374. Opening up, reviewing and revising certificates.

Where a certificate has the effect of affecting the substantive rights of the parties to the building contract, for example by fixing the value of a variation1 or determining an extension of time2, the court has inherent jurisdiction to open up, review and revise the certificate3 (unless it is the intention of the contract that such certificates are to be of final and conclusive effect4) so as to determine the rights and liabilities of the parties. In relation to construction contracts