(14) باب تَحْرِيمِ بَيْعِ الرُّطَبِ بِالتَّمْرِ إِلاَّ فِي الْعَرَايَا
Zaid b. Thabit (Allah be pleased with him) reported Allah's Messenger (may peace he upon him) having given concession in case of 'ariyya for selling dry dates (with) fresh dates after measuring them out.
Reference: Sahih Muslim 1539 c
In-book reference: Book 21, Hadith 78
USC-MSA web (English) reference(deprecated numbering scheme): Book 10, Hadith 3679