حَدَّثَنَا عُثْمَانُ بْنُ أَبِي شَيْبَةَ، حَدَّثَنَا مُحَمَّدُ بْنُ الْفُضَيْلِ، عَنْ لَيْثٍ، عَنْ عَطَاءٍ، عَنْ عَتَّابِ بْنِ أَسِيدٍ، قَالَ لَمَّا بَعَثَهُ رَسُولُ اللَّهِ ـ صلى الله عليه وسلم ـ إِلَى مَكَّةَ نَهَاهُ عَنْ شِفِّ مَا لَمْ يُضْمَنْ ‏.‏

It was narrated from 'Ata that 'Attab bin Asid said that : when the Messenger of Allah (PBUH) sent him to Makkah, he forbade him from profiting off of what he did not possess. Translation Not Available

Book Ref: Sunan Ibn Majah Book 12 Hadith 2189
Web Ref:  Sunan Ibn Majah Vol 3 Book 12 Hadith 2189