“…and explains, for example, the body of cases in which terms requiring cooperation in the performance of the contract have been implied: see Mackay v Dick(1881) 6 App Cas 251, 263; and the cases referred to in Chitty on Contracts (31st Ed), Vol 1 at paras 13-012 – 13-014……”
“… the parties - see Mona Oil Equipment & Supply Co. Limited v Rhodesia Railways [1949] 2 AER 1014 at 1018, Luxor v Cooper [1941] AC 108 and Mackav v Dick (1881) 6 App Cas 251. A duty to co-operate in, or not to prevent, fulfilment of performance of a contract only has content by virtue of the express terms of the contract and the la…”