Alms Tax: Giving Fitrah to Someone Claiming to be Poor
Practical Laws of Islam as per the teachings of Ayatullah Sistani
Ruling 2032
A person cannot give fiṭrah to someone who says he is poor unless he is confident that what he says is the truth or knows that he was poor previously.
-Ayatullah Sistani, Practical Laws of Islam, Alms Tax (Zakat)


