Sahih Bukhari Volume 2, Book 25, Hadith Number 580.Sahih Bukhari Book 25. Obligatory Charity Tax After Ramadhan (Zakat-ul-Fitr) Narated By Ibn ‘Umar : Allah’s Apostle made it incumbent on all the slave or free Muslims, male or female, to pay one Sa’ of dates or barley as Zakat-ul-Fitr. Related Previous Post Sahih Bukhari Volume 2, Book 25, Hadith Number 581. Next Post Sahih Bukhari Volume 2, Book 25, Hadith Number 579.