Narrated 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.
Hadith Referenceصحيح البخاري / كتاب الزكاة / 1504
Hadith Gradingمحدثین:أحاديث صحيح البخاريّ كلّها صحيحة