If a poor person receives food from zakah, is he permitted to pay his own zakah from it?

Question : Does the poor person, O Shaykh Muhammad, if he has food from zakah gathered to him, does he pay his own zakah from it?

Answer : There is no harm in the poor person paying his own zakah from the zakah he received, on the condition that he received it rightfully, meaning that it was for the sake of zakah. As for one who gathers it with his wealth and then pays his zakah from it, that does not suffice him, because this wealth that he gathered without right is forbidden to him, and it is not pure. And Allah, Blessed and Exalted is He, is pure and accepts nothing but what is pure.