Rectification is an equitable remedy aimed at amending a document to accord with the intention of the parties. Parties to a contract may have had a common intention or understanding when they drew up their contract as to what it meant but, somehow, that meaning has not been reflected in the drafting, ie it is different from the objective meaning of the contractual document as ascertained in accordance with the rules of contract interpretation. Alternatively, a mistake may be able to be corrected by means of construction ie, seeking a declaration of the court as to the meaning of the relevant clause, rather than by applying for rectification. In Investors Compensation Scheme v West Bromwich Building Society, Lord Hoffmann set out the five principles of contract interpretation as follows: • interpretation