Ibn Shihab narrated from Salim bin 'Abdullah, from his father, from the Prophet P.B.U.H. He (Ibn Shihab) said: "Salim read to me a letter that the Messenger of Allah P.B.U.H had written concerning Sadaqat, before Allah caused him to pass away, in which it was said: 'For five camels one sheep; for ten, two sheep; for fifteen, three sheep; for twenty, four sheep. For twenty-five, a Bini Makhdd (a one-year-old shecamel), up to thirty-five; if there is
no Bini Makhdd, then a Bin Labun (a two-year-old male camel). If there are more than thirty-five, even one, then a Bini Labun (a
two-year-old she-camel) must be given, up to forty-five. If there are more than forty-five, even one, then a Hiqqah (a three-year,old she-camel), up to sixty camels. If there are more than sixty, even one more, then a ]adha'ah (a fouryear-old she-camel) must be given, up to seventy-five. If there are more than seventy-five, even one more, then two Bint Labun must be given, up to ninety. If there are more than ninety, even one more, then two Hiqqan must be given, up to one hundred and twenty. If there are many camels, then for each fifty, one Hiqqah must be given and for each forty a Bini Labun' " (Hasan)