ibn Umar · The Book on Zakat

"The Messenger of Allah had a letter written about charity, but he had not dispatched it to his governors until he died; he kept it with him along with his sword. When he died, Abu Bakr implemented it until he died, as did Umar until he died. In it was: 'A sheep (is due) on five camels, two sheeps on ten, three sheeps on fifteen, four sheeps for twenty, a Bint Makhad on twenty-five to thirty-five. When it is more…

the Messenger of Allah said: "A Ziqq is due for every ten Ziqq of honey."

the Messenger of Allah said: "Whoever acquired wealth, then there is no Zakat on it until the Hawl has passed (while it is in his possession)."

"Whoever acquired wealth, then there is no Zakat on it until the Hawl has passed while it is in his possession."

the Messenger of Allah instituted the Ushr of what was watered by the heavens and steams, or through natural channels, and half of the Ushr for what is watered by irrigation.

Umar gave a horse to be used in the cause of Allah. Then he saw it being sold, so he wanted to buy it, but the Prophet said: "Do not take back what you have given in charity."

"The Messenger of Allah made Sadaqatul-Fitr an obligation upon the male and female, the free and the bondsmen, as a Sa of dried dates or a Sa of barley." He said: "So the people equated that to half a Sa of wheat."

"The Messenger of Allah made Sadaqatul-Fitr of Ramadan an obligation - a Sa of dried dates or a Sa of barley - required upon every free person and slave, male and female among the Muslims."

the Messenger of Allah would order paying the Zakat before going to the Salat on the day of Fitr.