Sunan an-Nasa'i 566
سنن النسائي#566Sahihأَخْبَرَنَا مُجَاهِدُ بْنُ مُوسَى، قَالَ حَدَّثَنَا ابْنُ عُيَيْنَةَ، عَنْ ضَمْرَةَ بْنِ سَعِيدٍ، سَمِعَ أَبَا سَعِيدٍ الْخُدْرِيَّ، يَقُولُ نَهَى رَسُولُ اللَّهِ صلى الله عليه وسلم عَنِ الصَّلاَةِ بَعْدَ الصُّبْحِ حَتَّى الطُّلُوعِ وَعَنِ الصَّلاَةِ بَعْدَ الْعَصْرِ حَتَّى الْغُرُوبِ .
It was narrated from Damrah bin Sa'eed that he heard Abu Sa'eed Al-Khudri say:"The Messenger of Allah (ﷺ) forbade praying after Subh until the sun had risen, and praying after 'Asr until the sun had set
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: 6:73