Ruling 1890
Wheat, barley, dates, and raisins on which zakat has been given are not liable for zakat again even if they remain with a person for some years.
-Ayatullah Sistani, Practical Laws of Islam, Alms Tax (Zakat)
Alms Tax: Produce Not Liable for Zakat Again
Practical Laws of Islam as per the teachings of Ayatullah Sistani
