(9) باب ذِكْرِ الاِخْتِلاَفِ عَلَى نَافِعٍ فِي لَفْظِ حَدِيثِهِ
It was narrated from Ayyub, from Nafi from Ibn 'Umar, who said:
"The Messenger of Allah said: 'The two parties to a transaction both have the choice so long as they have not separated or chosen to conclude the transaction." Or perhaps Nafi said: "Or one of them has said to the other: 'Decide! "(Sahih ) (ES)
Reference (ES): Sunan an-Nasa'i 4470 (ES)
In-book reference (ES): Book 44, Hadith 22 (ES)
English translation (ES): Vol. 5, Book 44, Hadith 4475 (ES)