عَنِ ابْنِ عَبَّاسٍ رَضِيَ اللَّهُ عَنْهُمَا قَالَ: قَضَى رَسُولُ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَعَلَى آلِهِ وَصَحْبِهِ وَسَلَّمَ فِي الرِّكَازِ الْخُمْسُ
Sayyiduna Abdullah bin Abbas (may Allah be pleased with him) narrates that the Messenger of Allah (peace and blessings be upon him) decreed one-fifth as zakat on rikaz (buried treasure).