(2) باب السَّلَمِ فِي وَزْنٍ مَعْلُومٍ
Narrated Ibn Abi Najih:
as above, saying, "He should pay the price in advance for a specified measure and for a specified period." (ID)
Reference (ID): Sahih al-Bukhari 2240 (ID)
In-book reference (ID): Book 35, Hadith 4 (ID)
USC-MSA web (English) reference(deprecated numbering scheme): Vol. 3, Book 35, Hadith 444 (ID)