Sunan an-Nasa'i 4704
سنن النسائي#4704Sahihأَخْبَرَنَا هِلاَلُ بْنُ بِشْرٍ، قَالَ حَدَّثَنَا صَفْوَانُ بْنُ عِيسَى، عَنْ مَعْمَرٍ، عَنِ الزُّهْرِيِّ، عَنْ أَبِي سَلَمَةَ، أَنَّ رَسُولَ اللَّهِ صلى الله عليه وسلم قَالَ " الشُّفْعَةُ فِي كُلِّ مَالٍ لَمْ يُقْسَمْ فَإِذَا وَقَعَتِ الْحُدُودُ وَعُرِفَتِ الطُّرُقُ فَلاَ شُفْعَةَ " .
It was narrated from Abu Salamah that the Messenger of Allah said:"Pre-emption takes effect in all cases where land has not been divided. But if the boundaries have been sent, and the roads lay out, then there is no pre-emption
Scholarly Authentication
The label above is the grade most of these scholars gave — one dissenting opinion no longer speaks for all of them. If any scholar calls a narration fabricated, that verdict is shown instead, whatever the others say. Each scholar's own wording:
In-book reference: 44:256