Relational contract theory holds that the interpretation of a contract must take full account of the context and surrounding circumstances of the parties’ bargain so as to give effect to their respective intentions. This paper argues that if a relational treatment of contracts is to be institutionalised, in the sense of being utilised in a contract dispute to determine and give effect to the parties’ intentions, then it must operate at an abstract level. That is to say, rather than using relevant context to determine what the actual parties intended in the circumstances at hand, the contextualist enquiry should ascertain the relevant context by reference to what the parties would have agreed to in the circumstances, had they properly reflected on what their self-interest requires. I discuss the merits of this proposition by reference to a number of appellate judgments, which already endorse contextualism as a response to contractual ambiguity, and I ultimately apply it to the Supreme Court's judgment in Rainy Sky SA v Kookmin Bank.

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