Numbers 9:7
And those men said to him, "[Although] we [are] unclean {by a dead person}, why are we hindered from presenting the offering of Yahweh at its appointed time in the midst of the {Israelites}?"
Exodus 12:27
you will say, 'It [is] a Passover sacrifice for Yahweh, who passed over the houses of the {Israelites} in Egypt when he struck Egypt; and he delivered our houses.'" And the people knelt down and they worshiped.
Numbers 9:2
"Let the {Israelites} observe the Passover at its appointed time.
Deuteronomy 16:2
And you shall offer the Passover sacrifice to Yahweh your God [from among] [your] flock and herd at the place that Yahweh will choose, to let his name dwell there.
2 Chronicles 30:17-19
For [there were] many in the assembly who did not consecrate themselves, so the Levites [were] over the killing of the Passover sacrifices for all who [were] not clean, to consecrate [them] to Yahweh.
1 Corinthians 5:7-8
Clean out the old leaven in order that you may be a new batch of dough, just as you are unleavened. For Christ our Passover has been sacrificed.