Obligatory Charity Tax (Zakat)

Bukhari :: Book 2 :: Volume 24 :: Hadith 561

Narrated Abu Said Al-Khudri :

The Prophet said, "There is no Zakat on less than five Awsuq (of dates), or on less than five camels, or on less than five Awaq of silver." (22 Yameni Riyals Faransa).