Obligatory Charity Tax After Ramadaan (Zakat ul Fitr)
Bukhari :: Book 2 :: Volume 25 :: Hadith 583
Narrated 'Abdullah bin 'Umar
The Prophet ordered (Muslims) to give one Sa' of dates or one Sa' of barley as Zakat-ul-Fitr. The people rewarded two Mudds of wheat as equal to that.
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