بُلُوغُ الْمَرَامِ
Bulugh al-Maram 847
Business Transactions
عَنْ زَيْدِ بْنِ ثَابِتٍ - رضى الله عنه - { أَنَّ رَسُولَ اَللَّهِ - صلى الله عليه وسلم -رَخَّصَ فِي اَلْعَرَايَا: أَنْ تُبَاعَ بِخَرْصِهَا كَيْلاً } مُتَّفَقٌ عَلَيْهِ [1] .
Narrated Zaid bin THabit (RA): Allah's Messenger (ﷺ) gave permission regarding al-'Araya for its sale on the basis of a calculation (of what the dates would be when dry) by measure. [Agreed upon].
Sunnah.com reference: Book 7, Hadith 81