Numbers 9:13

But the man who is clean, and is not on a journey, and fails to keep the Passover, that soul shall be cut off from his people. Because he did not offer the offering of the LORD in its appointed season, that man shall bear his sin.

Genesis 17:14

The uncircumcised male who is not circumcised in the flesh of his foreskin, that soul shall be cut off from his people. He has broken my covenant."

Exodus 12:15

"'Seven days you shall eat unleavened bread; even the first day you shall put away yeast out of your houses, for whoever eats leavened bread from the first day until the seventh day, that soul shall be cut off from Israel.

Numbers 5:31

The man shall be free from iniquity, and that woman shall bear her iniquity."

Numbers 9:7

Those men said to him, "We are unclean because of the dead body of a man. Why are we kept back, that we may not offer the offering of the LORD in its appointed season among the children of Israel?"

Leviticus 17:4

and hasn't brought it to the door of the Tent of Meeting, so as to sacrifice it for a burnt offering or peace offering to the LORD to be acceptable as a soothing aroma, and whoever shall kill it outside, and shall not bring it to the door of the Tent of Meeting to offer it as an offering to the LORD before the tabernacle of the LORD, blood shall be imputed to that man. He has shed blood; and that man shall be cut off from among his people.

Leviticus 17:10

"'Any man of the house of Israel, or of the strangers who live as foreigners among them, who eats any kind of blood, I will set my face against that soul who eats blood, and will cut him off from among his people.

Leviticus 17:14-16

For as to the life of all flesh, its blood is with its life: therefore I said to the children of Israel, "You shall not eat the blood of any kind of flesh; for the life of all flesh is its blood. Whoever eats it shall be cut off."

Leviticus 20:20

If a man lies with his uncle's wife, he has uncovered his uncle's nakedness: they shall bear their sin; they shall die childless.

Leviticus 22:9

"'They shall therefore follow my requirements, lest they bear sin for it, and die therein, if they profane it. I am the LORD who sanctifies them.

Numbers 9:2-3

"Moreover let the children of Israel keep the Passover in its appointed season.

Numbers 15:30-31

"'But the soul who does anything with a high hand, whether he is native-born or a foreigner, the same blasphemes the LORD; and that soul shall be cut off from among his people.

Numbers 19:13

Whoever touches a dead person, the body of a man who has died, and doesn't purify himself, defiles the tabernacle of the LORD; and that soul shall be cut off from Israel: because the water for impurity was not sprinkled on him, he shall be unclean; his uncleanness is yet on him.

Ezekiel 23:49

They shall recompense your lewdness on you, and you shall bear the sins of your idols; and you shall know that I am the Lord GOD.'"

Hebrews 2:3

how will we escape if we neglect so great a salvation?which at the first having been spoken through the Lord, was confirmed to us by those who heard;

Hebrews 6:6

and then fell away, it is impossible to renew them again to repentance; seeing they crucify the Son of God for themselves again, and put him to open shame.

Hebrews 9:28

so Christ also, having been offered once to bear the sins of many, will appear a second time, without sin, to those who are eagerly waiting for him for salvation.

Hebrews 10:26-29

For if we sin willfully after we have received the knowledge of the truth, there remains no more a sacrifice for sins,

Hebrews 12:25

See that you do not refuse him who speaks. For if they did not escape when they refused him who warned on the earth, how much more will we not escape who turn away from him who warns from heaven,

Treasury of Scripture Knowledge

Summary

But the man that is clean, and is not in a journey, and forbeareth to keep the passover, even the same soul shall be cut off from among his people: because he brought not the offering of the LORD in his appointed season, that man shall bear his sin.

Because

Bible References

Forbeareth

Numbers 15:30
"'But the soul who does anything with a high hand, whether he is native-born or a foreigner, the same blasphemes the LORD; and that soul shall be cut off from among his people.
Numbers 19:13
Whoever touches a dead person, the body of a man who has died, and doesn't purify himself, defiles the tabernacle of the LORD; and that soul shall be cut off from Israel: because the water for impurity was not sprinkled on him, he shall be unclean; his uncleanness is yet on him.
Genesis 17:14
The uncircumcised male who is not circumcised in the flesh of his foreskin, that soul shall be cut off from his people. He has broken my covenant."
Exodus 12:15
"'Seven days you shall eat unleavened bread; even the first day you shall put away yeast out of your houses, for whoever eats leavened bread from the first day until the seventh day, that soul shall be cut off from Israel.
Leviticus 17:4
and hasn't brought it to the door of the Tent of Meeting, so as to sacrifice it for a burnt offering or peace offering to the LORD to be acceptable as a soothing aroma, and whoever shall kill it outside, and shall not bring it to the door of the Tent of Meeting to offer it as an offering to the LORD before the tabernacle of the LORD, blood shall be imputed to that man. He has shed blood; and that man shall be cut off from among his people.
Hebrews 2:3
how will we escape if we neglect so great a salvation?which at the first having been spoken through the Lord, was confirmed to us by those who heard;
Hebrews 6:6
and then fell away, it is impossible to renew them again to repentance; seeing they crucify the Son of God for themselves again, and put him to open shame.
Hebrews 10:26
For if we sin willfully after we have received the knowledge of the truth, there remains no more a sacrifice for sins,
Hebrews 12:25
See that you do not refuse him who speaks. For if they did not escape when they refused him who warned on the earth, how much more will we not escape who turn away from him who warns from heaven,

Because

Numbers 9:2
"Moreover let the children of Israel keep the Passover in its appointed season.