architect's certificate

A contract which provides for the work on a building to be performed in the best manner and the materials of the best quality, subject to the acceptance or rejection of an architect, all to be done in strict accordance with the plans and specifications, does not make the acceptance by the architect final and conclusive, and will not bind the owner, or relieve the contractor from the agreement to perform according to plans and specifications. ... To make such a certificate conclusive requires plain language in the contract. It is not to be implied.