Exodus 12:6

12:6 You must care for it until the fourteenth day of this month, and then the whole community of Israel will kill it around sundown.

Exodus 12:21-22

12:21 Then Moses summoned all the elders of Israel, and told them, “Go and select for yourselves a lamb or young goat for your families, and kill the Passover animals. 12:22 Take a branch of hyssop, dip it in the blood that is in the basin, and apply to the top of the doorframe and the two side posts some of the blood that is in the basin. Not one of you is to go out the door of his house until morning.