Sunan an-Nasa'i 2461
سنن النسائي#2461Sahihأَخْبَرَنَا زِيَادُ بْنُ أَيُّوبَ، قَالَ حَدَّثَنَا إِسْمَاعِيلُ، - هُوَ ابْنُ عُلَيَّةَ - قَالَ أَنْبَأَنَا دَاوُدُ، عَنِ الشَّعْبِيِّ، قَالَ قَالَ جَرِيرٌ قَالَ رَسُولُ اللَّهِ صلى الله عليه وسلم " إِذَا أَتَاكُمُ الْمُصَدِّقُ فَلْيَصْدُرْ وَهُوَ عَنْكُمْ رَاضٍ " .
It was narrated that Ash-Shabbi said:"Jarir said: 'The Messenger of Allah said: When the Zakah collector comes to you, let him leave happy with you
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:
Abu GhuddahSahih
Al-AlbaniSahih
Zubair Ali ZaiSahih Muslim
In-book reference: 23:27