The closing phrase “unless one of them is specified” shows that specifying the currency removes the ambiguity at contract formation.
A seller quotes “200,” the buyer asks “Which currency?”, and both agree on “200 Pakistani rupees” before concluding the deal.
A contract already concluded in an irregular form raises separate questions about rectification and possession; merely announcing a currency unilaterally afterward is not automatically sufficient.
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Kitab al-Buyu: Offer, Acceptance, Binding Sales and Price Clarity
The closing phrase “unless one of them is specified” shows that specifying the currency removes the ambiguity at contract formation.
A seller quotes “200,” the buyer asks “Which currency?”, and both agree on “200 Pakistani rupees” before concluding the deal.
A contract already concluded in an irregular form raises separate questions about rectification and possession; merely announcing a currency unilaterally afterward is not automatically sufficient.