بُلُوغُ الْمَرَامِ
Bulugh al-Maram 893
Business Transactions
وَأَخْرَجَ لَهُ شَاهِدًا ضَعِيفًا عَنْ اِبْنِ عَبَّاسٍ [1] .
He also reported for this Hadith a Shahid (supporting narration) which is weak, from Ibn 'Abbas.
Sunnah.com reference: Book 7, Hadith 137