CA 13 February 1992. The plaintiffs, W, were the purchasers and the defendants, B, were the vendors of property under a written agreement. One clause of the agreement provided that the title should consist of an office copy of the entries on the register and a filed plan and that National Conditions of Sale should apply except in so far as they were consistent with the agreement. The National Conditions of Sale provided that the abstract in title in relation to land registration comprised the document that the vendor was required to furnish under Land Registration Act 1925 s110. In May 1989 B`s solicitors provided W with a photocopy of B`s land certificate at the time of last inspection. The solicitors also informed W that office copies had been applied for. On 23 May 1989 B`s solicitor stated that service of the photocopy of the land certificate was sufficient under the contract and served notice to complete in 10 days. On 12 June W`s solicitor wrote disrupting the validity of the n