and he must distribute it to the poor and the needy; he is not to slaughter it and parcel out its meat. Even worse and more detestable is for him to eat from its meat, as has been mentioned. It is therefore forbidden for him to slaughter it, let alone eat from it, because it has left his ownership—it is zakāt. Charity is for the poor and needy, and he is not allowed to benefit from any part of it, nor may anything of it revert to him in any way, for it is charity.
He may not even buy it back if it is later sold, for it is his own charity and must never return to him under any circumstance. Allah knows best.
***
Difference of Currency in Loans and Zakāt

Question: I have a friend in another country. If I need money from him, may I take the loan in the currency of the country I am in and repay him in the currency of his country? Does the difference between currencies affect the payment of zakāt—for instance, if my cash balance is in dollars but I wish to pay its zakāt in a currency of lesser value than the dollar, even within the same country? Is this permissible or not?

Answer: Concerning the loan itself—borrowing a sum in one currency and repaying it in another—if this is done as a currency-exchange transaction (ṣarf), there is no objection. You may convert the debt that is upon you and pay your creditor or lender in another currency through an on-the-spot exchange; this is permissible.

Question: That is, even though the two currencies differ in value?

Answer: If there is an increase in the loan, and that increase—