Exodus 12:19
For seven days no leaven is to be found in your houses. If anyone eats what is leavened, that person will be cut off from the congregation of Israel, whether he is a sojourner or a native of the land.
Exodus 12:15
Seven days you shall eat unleavened bread. On the first day you shall remove leaven out of your houses, for if anyone eats what is leavened, from the first day until the seventh day, that person shall be cut off from Israel.
Exodus 12:48
If a stranger shall sojourn with you and would keep the Passover to the LORD, let all his males be circumcised. Then he may come near and keep it; he shall be as a native of the land. But no uncircumcised person shall eat of it.
Exodus 12:43
And the LORD said to Moses and Aaron, "This is the statute of the Passover: no foreigner shall eat of it,
Exodus 23:15
You shall keep the Feast of Unleavened Bread. As I commanded you, you shall eat unleavened bread for seven days at the appointed time in the month of Abib, for in it you came out of Egypt. None shall appear before me empty-handed.
Exodus 34:18
"You shall keep the Feast of Unleavened Bread. Seven days you shall eat unleavened bread, as I commanded you, at the time appointed in the month Abib, for in the month Abib you came out from Egypt.
Numbers 9:13
But if anyone who is clean and is not on a journey fails to keep the Passover, that person shall be cut off from his people because he did not bring the LORD's offering at its appointed time; that man shall bear his sin.
Deuteronomy 16:3
You shall eat no leavened bread with it. Seven days you shall eat it with unleavened bread, the bread of affliction--for you came out of the land of Egypt in haste--that all the days of your life you may remember the day when you came out of the land of Egypt.
1 Corinthians 5:7-8
Cleanse out the old leaven that you may be a new lump, as you really are unleavened. For Christ, our Passover lamb, has been sacrificed.