7 and said to Moses, “We are unclean because of a dead body, but why should we be excluded from presenting the LORD’s offering with the other Israelites at the appointed time?”
Numbers 9:7 Cross References - MSB
Exodus 12:27
27 you are to reply, ‘It is the Passover sacrifice to the LORD, who passed over the houses of the Israelites in Egypt when He struck down the Egyptians and spared our homes.’” Then the people bowed down and worshiped.
Numbers 9:2
2 “The Israelites are to observe the Passover at its appointed time.
Deuteronomy 16:2
2 You are to offer to the LORD your God the Passover sacrifice from the herd or flock in the place the LORD will choose as a dwelling for His Name.
2 Chronicles 30:17-19
17 Since there were many in the assembly who had not consecrated themselves, the Levites were in charge of slaughtering the Passover lambs for every unclean person to consecrate the lambs to the LORD.
18 A large number of the people—many from Ephraim, Manasseh, Issachar, and Zebulun—had not purified themselves, yet they ate the Passover, contrary to what was written. But Hezekiah interceded for them, saying, “May the LORD, who is good, provide atonement for everyone
19 who sets his heart on seeking God—the LORD, the God of his fathers—even if he is not cleansed according to the purification rules of the sanctuary.”