Numbers 9:7

And these men will say to him, We are unclean by the soul of man: wherefore shall we be withheld so as not to bring near an offering of Jehovah at his appointment, in the midst of the sons of Israel?

Exodus 12:27

And they said, This the sacrifice of the passing over to Jehovah, who passed over the houses of the sons of Israel in Egypt in his striking the Egyptians, and he delivered our houses. And the people will bow down and will worship.

Numbers 9:2

And the sons of Israel shall do the passover in its appointment

Deuteronomy 16:2

And sacrifice the passover to Jehovah thy God, of the sheep, and the oxen in the place which Jehovah shall choose to cause his name to dwell there.

2 Chronicles 30:17-19

For many in the convocation which consecrated not themselves: and the Levites for slaughtering the passover to all not being cleansed to consecrate to Jehovah.

1 Corinthians 5:7-8

Therefore cleanse out the old leaven, that ye may be a new mixture, as ye are unleavened. For also our pascha was sacrificed for us, Christ:

Treasury of Scripture Knowledge

Summary

And those men said unto him, We are defiled by the dead body of a man: wherefore are we kept back, that we may not offer an offering of the LORD in his appointed season among the children of Israel?

General references

Bible References

We may not offer

Numbers 9:2
And the sons of Israel shall do the passover in its appointment
Exodus 12:27
And they said, This the sacrifice of the passing over to Jehovah, who passed over the houses of the sons of Israel in Egypt in his striking the Egyptians, and he delivered our houses. And the people will bow down and will worship.
Deuteronomy 16:2
And sacrifice the passover to Jehovah thy God, of the sheep, and the oxen in the place which Jehovah shall choose to cause his name to dwell there.
2 Chronicles 30:17
For many in the convocation which consecrated not themselves: and the Levites for slaughtering the passover to all not being cleansed to consecrate to Jehovah.
1 Corinthians 5:7
Therefore cleanse out the old leaven, that ye may be a new mixture, as ye are unleavened. For also our pascha was sacrificed for us, Christ:

General references

Leviticus 23:5
In the first month, in the fourteenth of the month, between the two evenings, the passover to Jehovah.
Haggai 2:13
And Haggai will say, If the unclean of soul shall touch upon any of these, shall it be unclean? and the priests shall answer and say, It shall be unclean.