Exodus 12:1-3

New Revised Standard Version, Anglicised Catholic Edition

The First Passover Instituted

12 The Lord said to Moses and Aaron in the land of Egypt: ² This month shall mark for you the beginning of months; it shall be the first month of the year for you. ³ Tell the whole congregation of Israel that on the tenth of this month they are to take a lamb for each family, a lamb for each household.