The Agent's authority -- Agency by operation of law -- Ratification -- Relationship between the principal and the third party -- Doctrine of undisclosed principal -- Relationship between the principle and the agent -- Relationship between agent and third party -- Contract classification --Terms of the contract -- Passing of property -- Risk, mistake and frustration -- Passing of title by non-owner -- Performance of the contract -- Seller's remedies -- Buyer's remedies -- Consumer credit agreement -- Enforcement and remedies -- Bills oflading -- FOB'Free On Board' contracts -- CIF (Cost, Insurance, Freight) contracts -- Bills of exchange -- Documentary credits