The contra proferentem principle applicable to guarantees (Andar Transport v Brambles) is a principle of last resort that does not require choosing the meaning most favourable to the guarantor from all possible meanings; it only operates to choose amongst meanings that are fairly open after applying other rules of construction, including the preference for commercially sensible interpretations. A guarantee by a principal of a company's obligation to contribute to partnership debts is enlivened by the company's failure to contribute its share, even where the other partner has already paid the debts in full.
The full text is available to signed-in members, including the 26 later cases that cite this judgment.
10 of the 26 citing cases carry a classified treatment. How each court treated it is available to signed-in members.