Exodus 12:19
Seven days there shall be no leaven found in your houses. For whoever eats that which is leavened, even that soul shall be cut off from the congregation of Israel, among the aliens and among the natives of the land.
Exodus 12:15
You shall eat unleavened bread seven days; even the first day you shall put away leaven 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.
Exodus 12:48
And when a stranger shall stay with you, and desires to keep the Passover to Jehovah, let all his males be circumcised, and then let him come near and keep it. And he shall be as one that is born in the land. And no uncircumcised person shall eat of it.
Exodus 12:43
And Jehovah said to Moses and Aaron, This is the ordinance of the Passover. No stranger shall eat of it.
Exodus 23:15
You shall keep the Feast of Unleavened Bread. You shall eat unleavened bread seven days, as I commanded you, in the time appointed of the month Abib, for in it you came out of Egypt. And no one shall appear before Me empty.
Exodus 34:18
You shall keep the Feast of Unleavened Bread. You shall eat unleavened bread seven days, as I commanded you, in the time of the month Abib. For in the month Abib you came out from Egypt.
Numbers 9:13
But the man that is clean, and is not in a journey, and holds back from preparing the Passover, even the same soul shall be cut off from among his people. Because he did not bring the offering of Jehovah in His appointed time, that man shall bear his sin.
Deuteronomy 16:3
You shall eat no leavened bread with it. Seven days you shall eat unleavened bread with it, the bread of affliction, for you came forth out of the land of Egypt in haste, so that you may remember the day that you came forth out of the land of Egypt all the days of your life.
1 Corinthians 5:7-8
Therefore purge out the old leaven so that you may be a new lump, as you are unleavened. For also Christ our Passover is sacrificed for us.