The fee for grinding flour

Question

Question: Here the custom in grinding flour is that from one maund (a unit of weight, ≈ 37 kg) of grain one kilo is deducted as a levy, and the wage is 80 paise (small copper coins, fractions of a rupee). Is this levy permissible with the customer's consent?

Answer

Taking this flour as the wage for grinding is not correct. If, however, that quantity of grain is deducted with the customer's consent, it is correct.

Source: Fatawa Mahmudiyya

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