When exercising an option to purchase land, a covering letter requesting terms different from those in the option deed (even if framed as a polite 'request') may, when read together with the enclosed documents, constitute a proposal to be bound to a different contract rather than a valid exercise of the option.
The full text is available to signed-in members, including the 11 later cases that cite this judgment.
2 of the 11 citing cases carry a classified treatment. How each court treated it is available to signed-in members.