Sunan an-Nasa'i 4424
سنن النسائي#4424Sahihأَخْبَرَنَا يَعْقُوبُ بْنُ إِبْرَاهِيمَ، عَنْ غُنْدَرٍ، قَالَ حَدَّثَنَا مَعْمَرٌ، قَالَ حَدَّثَنَا الزُّهْرِيُّ، عَنْ أَبِي عُبَيْدٍ، مَوْلَى ابْنِ عَوْفٍ قَالَ شَهِدْتُ عَلِيَّ بْنَ أَبِي طَالِبٍ كَرَّمَ اللَّهُ وَجْهَهُ فِي يَوْمِ عِيدٍ بَدَأَ بِالصَّلاَةِ قَبْلَ الْخُطْبَةِ ثُمَّ صَلَّى بِلاَ أَذَانٍ وَلاَ إِقَامَةٍ ثُمَّ قَالَ سَمِعْتُ رَسُولَ اللَّهِ صلى الله عليه وسلم يَنْهَى أَنْ يُمْسِكَ أَحَدٌ مِنْ نُسُكِهِ شَيْئًا فَوْقَ ثَلاَثَةِ أَيَّامٍ .
It ws narrated that Abu 'Ubaid - the freed slave of Ibn 'Awf - said:"I saw 'Ali bin Abi Talib - may Allah honor his face on the day of 'Id. He started with the prayer before the Khutbah, and then he prayed with no Adhan and no Iqamah. Then he said: 'I heard the Messenger of Allah forbidding anyone form keeping anything of his sacrificial animal for more than three days." (Sahih)
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: 43:64