Jami` at-Tirmidhi 678
جامع الترمذي#678Hasanحَدَّثَنَا عَبْدُ اللَّهِ بْنُ عَبْدِ الرَّحْمَنِ، أَخْبَرَنَا سَعِيدُ بْنُ مَنْصُورٍ، حَدَّثَنَا إِسْمَاعِيلُ بْنُ زَكَرِيَّا، عَنِ الْحَجَّاجِ بْنِ دِينَارٍ، عَنِ الْحَكَمِ بْنِ عُتَيْبَةَ، عَنْ حُجَيَّةَ بْنِ عَدِيٍّ، عَنْ عَلِيٍّ، أَنَّ الْعَبَّاسَ، سَأَلَ رَسُولَ اللَّهِ صلى الله عليه وسلم عَنْ تَعْجِيلِ صَدَقَتِهِ قَبْلَ أَنْ تَحِلَّ فَرَخَّصَ لَهُ فِي ذَلِكَ .
Ali narrated:"Al-Abbas asked the Messenger of Allah about paying his charity (Zakat) in advance before its time is due (by being in possession for a whole year), he permitted him to do that
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: 7:62