Muawiya bin Hayda reported,

I heard the Prophet of Allah ﷺ say, "In every herd of grazing camels, for every forty there is a two-year-old female camel due as charity. The camels are not to be separated from their reckoning. Whoever gives it seeking reward will have its reward, and whoever withholds it, we will take it from him along with half of his wealth."Mura said on one occasion, "his camels." It is a binding decree from the decrees of our Lord . Nothing of it is lawful for the family of Muhammad.

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عن بهز بن حكيم عن أبيه عن جده قال

سمعت نبي الله ﷺ يقول في كل إبل سائمة في كل أربعين ابنة لبون لا يفرق إبل عن حسابها من أعطاها مؤتجرا فله أجرها ومن منعها فإنا آخذوها منه وشطر ماله وقال مرة إبله عزمة من عزمات ربنا تبارك وتعالى لا يحل لآل محمد منه شيء