Zakat (Kitab Al-Zakat) 
Dawud :: Book 9 : Hadith 1620
Narrated Ali ibn AbuTalib:
Al-Abbas asked the Prophet (peace_be_upon_him) about paying the sadaqah (his zakat) in advance before it became due, and he gave permission to do that.
Zakat (Kitab Al-Zakat)
Dawud :: Book 9 : Hadith 1620
Narrated Ali ibn AbuTalib:
Al-Abbas asked the Prophet (peace_be_upon_him) about paying the sadaqah (his zakat) in advance before it became due, and he gave permission to do that.