حَدَّثَنَا قُتَيْبَةُ، حَدَّثَنَا عَبَّادُ بْنُ عَبَّادٍ الْمُهَلَّبِيُّ، عَنْ أَبِي جَمْرَةَ، عَنِ ابْنِ عَبَّاسٍ، أَنَّ النَّبِيَّ صلى الله عليه وسلم قَالَ لِوَفْدِ عَبْدِ الْقَيْسِ ‏"‏ آمُرُكُمْ أَنْ تُؤَدُّوا خُمُسَ مَا غَنِمْتُمْ ‏"‏ ‏.‏ قَالَ وَفِي الْحَدِيثِ قِصَّةٌ ‏.‏ قَالَ أَبُو عِيسَى هَذَا حَدِيثٌ حَسَنٌ صَحِيحٌ ‏.‏

Narrated Ibn 'Abbas: That the Prophet (PBUH) said to a delegation from 'Abdul-Qais: "I order you to give the Khumus from your spoils of war." He said: There is a story with this Hadith [Abu 'Eisa said:] This Hadith is Hasan Sahih. Translation Not Available

Book Ref: Jamiya Tirmidhi Book 21 Hadith 1599
Web Ref:  Jamiya Tirmidhi Vol 3 Book 19 Hadith 1599