TSK · Numbers 9:7

that you shall say, 'It is the sacrifice of Yahweh's Passover, who passed over the houses of the children of Israel in Egypt, when he struck the Egyptians, and spared our houses.'" The people bowed their heads and worshiped.

You shall sacrifice the Passover to Yahweh your God, of the flock and the herd, in the place which Yahweh shall choose, to cause his name to dwell there.

For a multitude of the people, even many of Ephraim and Manasseh, Issachar and Zebulun, had not cleansed themselves, yet they ate the Passover otherwise than it is written. For Hezekiah had prayed for them, saying, "May the good Yahweh pardon everyone