Thus, this report indicates what we have mentioned: that it is more appropriate to repeat it. It is also possible that what is intended by his saying, “It does not suffice,” is that it does not suffice for anything other than that particular wealth. For when they take more than what is due as zakat from the produce (ghallat), it is not permissible for him to count the excess as part of the zakat due on gold, silver, or anything else. Rather, he must pay that zakat separately. The only concession that has been permitted is that he is not required to pay zakat a second time from the very produce from which zakat has already been taken. As for what indicates that the charity of produce (sadaqat al-ghallat) is not obligatory more than once, it is what he narrated (in the following hadith):
Commentary #5