Buying at the Grain Rate Prevailing at Harvest Time

Question

In our parts grain is given to a poor person on the condition: “Whatever the rate of grain is two months from today, at that rate I will take the price of this grain, or I will take grain to the value of that price.” Likewise, maize is given on the condition: “After two or three months I will take the same quantity of rice in exchange for it.”

Answer

If it is decided to take the price in this way, then it is unknown at the time of the contract, and ignorance of the price (thaman) renders a sale defective (fasid). If it is settled that grain will be taken as the price, the rate of which is also not known at the time of the contract, then in it, besides the ignorance of the price, because grain has been fixed as the price,…

Source: Fatawa Mahmudiyya

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