Al-Baqarah 2:283 ۞ وان كنتم على سفر ولم تجدوا كاتبا فرهان مقبوضة فان امن بعضكم بعضا فليود الذي اوتمن امانته وليتق الله ربه ولا تكتموا الشهادة ومن يكتمها فانه اثم قلبه والله بما تعملون عليم ٢٨٣

If you are on a journey and a scribe cannot be found, then a security can be taken. If you trust one another, then ˹there is no need for a security, but˺ the debtor should honour this trust ˹by repaying the debt˺—and let them fear Allah, their Lord. And do not conceal the testimony, for whoever conceals it, their hearts are indeed sinful. And Allah ˹fully˺ knows what you do.