A handwritten document signed by parties at a settlement meeting, prepared using a solicitor's letter as an agenda, can constitute an immediately binding agreement within the first Masters v Cameron category, even where the parties contemplate a more formal document to follow. The act of signing, the fixing of specific performance dates, and the context of imminent trial are strong indicators of immediate binding intent. Terms that require objective verification (such as confirmation of valuer's figures or CPI calculations) do not render an agreement uncertain.
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