Sunan Abi Dawud 1963
سنن أبي داود#1963Da'ifحَدَّثَنَا مُحَمَّدُ بْنُ الْعَلاَءِ، أَخْبَرَنَا ابْنُ الْمُبَارَكِ، عَنْ يُونُسَ، عَنِ الزُّهْرِيِّ، قَالَ لَمَّا اتَّخَذَ عُثْمَانُ الأَمْوَالَ بِالطَّائِفِ وَأَرَادَ أَنْ يُقِيمَ بِهَا صَلَّى أَرْبَعًا قَالَ ثُمَّ أَخَذَ بِهِ الأَئِمَّةُ بَعْدَهُ .
Narrated Az-Zuhri: When Uthman placed his property at at-Ta'if and intended to settle there, he prayed four rak'ahs. The rulers after him followed the same practice
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Al-AlbaniDaif
Muhammad Muhyi Al-Din Abdul HamidDaif
Zubair Ali ZaiDaif
In-book reference: 11:243