Sunan an-Nasa'i, Hadith 4498 ⓘ
It was narrated from Ibn 'Umar that: the Messenger of Allah forbade meeting traders on the way.
أَخْبَرَنَا عُبَيْدُ اللَّهِ بْنُ سَعِيدٍ، قَالَ حَدَّثَنَا يَحْيَى، عَنْ عُبَيْدِ اللَّهِ، عَنْ نَافِعٍ، عَنِ ابْنِ عُمَرَ، أَنَّ رَسُولَ اللَّهِ صلى الله عليه وسلم نَهَى عَنِ التَّلَقِّي .
also referenced under: Book 44, Hadith 50 (In-Book) & Volume 5, Book 44, Hadith 4503 (DarusSalam)