Contract – General contractual principles – Construction and interpretation of contracts – Implied terms – Generally – Business efficacy – Vendor of land must permit access for the purpose of valuation.
BP Refinery (Westernport) Pty Ltd v Shire of Hastings  HCA 40; (1977) 180 CLR 266; Con-Stan Industries of Australia Pty Ltd v Norwich Winterthur Insurance (Australia) Ltd  HCA 14; (1986) 64 ALR 481, applied.
National Mutual Life Association of Australasia Limited v Chris Poulson Insurance Agencies Pty Ltd (No 4) 11/1998; Chris Poulson Insurance Agencies Pty Ltd v National Mutual Life Association of Australasia Limited 40/1999, considered.
Conveyancing and Law of Property Act 1884 (Tas), s39.
Aust Dig Contract