Al-Kāfi - Volume 3 > Disciplines for Zakat Collector
Hadith #3

3ـ مُحَمَّدُ بْنُ يَحْيَى عَنْ أَحْمَدَ بْنِ مُحَمَّدٍ عَنْ مُحَمَّدِ بْنِ يَحْيَى عَنْ غِيَاثِ بْنِ إِبْرَاهِيمَ عَنْ جَعْفَرٍ عَنْ أَبِيهِ عَنْ عَلِيٍّ (عَلَيْهِ الْسَّلام) أَنَّهُ قَالَ لاَ تُبَاعُ الصَّدَقَةُ حَتَّى تُعْقَلَ.

3. Muhammad ibn Yahya has narrated from Ahmad ibn Muhammad from Muhammad ibn Yahya from Ghiyath ibn Ibrahim who has said the following: “Ja‘far (abu ‘Abd Allah), ‘Alayhi al-Salam, has narrated from his father from Ali, ‘Alayhi al-Salam, who has said, ‘Charity (Zakat) is not sold before it is received (collected).”’