It is not permissible to impose a penalty for delay in praying off a debt

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Check below answers in case you are looking for other related questions:
Ruling on buying a house with riba in a kaafir country
Dealing with a company that buys and sells currencies

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Related Answers:
Ruling on working in a debt purchasing company
Credit cards
Conditions for performing forbidden act under necessity and engaging in riba transactions
Ruling on buying a house with riba in a kaafir country
Dealing with a company that buys and sells currencies

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