Rafi bin Khadij and Sahl Bi Abi Hathamah narrated that the Messenger of Allah forbade Muzabanah, which means selling fresh dates still on the tree for dried dates, except in cases of 'Araya, for which he gave permission. (Sahih
أَنَّ رَسُولَ اللَّهِ ﷺ نَهَى عَنِ الْمُزَابَنَةِ بَيْعُ الثَّمَرِ بِالتَّمْرِ إِلاَّ لأَصْحَابِ الْعَرَايَا فَإِنَّهُ أَذِنَ لَهُمْ