(11) Business Transactions
كتاب البيوع
(5a) Chapter: Business Transactions which are Forbidden - Section 1
(5) باب المنهي عنها من البيوع
Mishkat al-Masabih 2844, 2845 
He reported God's Messenger as saying, “If anyone buys grain he must not sell it till he has received it in full.” A version by Ibn ‘Abbas has, ‘‘till he measures it out.” (Bukhari and Muslim.)
وَعَنْهُ قَالَ: قَالَ رَسُولُ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ: «مَنِ ابْتَاعَ طَعَامًا فَلَا يَبِيعهُ حَتَّى يَسْتَوْفِيه»

وَفَى رِوَايَةِ ابْنِ عَبَّاسٍ: «حَتَّى يكْتالَه»

 مُتَّفَقٌ عَلَيْهِ, مُتَّفَقٌ عَلَيْهِ  (الألباني)حكم :
Reference : Mishkat al-Masabih 2844, 2845
In-book reference : Book 11, Hadith 83