19 For seven days there shall be no leaven found in your houses; for whoever eats that which is leavened, that soul shall be cut off from the congregation of Israel, whether he is a stranger or born in the land.
Exodus 12:19 Cross References - EJ2000
Exodus 12:15
15 Seven days shall ye eat unleavened bread; even the first day ye 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 12:43
43 ¶ And the LORD said unto Moses and Aaron, This shall be the ordinance of the passover: No stranger shall eat of it,
Exodus 12:48
48 And if a stranger shall sojourn with thee and desire to make the passover to the LORD, let all his males be circumcised, and then let him come near and make this sacrifice; and he shall be as one that is natural in the land, but no uncircumcised person shall eat of it.
Exodus 23:15
15 Thou shalt keep the feast of unleavened bread (thou shalt eat unleavened bread seven days as I commanded thee, in the time appointed of the month Abib, for in it thou didst come out from Egypt; and none shall appear before me empty),
Exodus 34:18
18 ¶ The feast of unleavened bread shalt thou keep. Seven days thou shalt eat unleavened bread, as I commanded thee, in the time of the month Abib; for in the month Abib thou didst come out from Egypt.
Numbers 9:13
13 But the man that is clean and is not on a journey and forbears to keep the passover, that same soul shall be cut off from among his people; because he did not bring the offering of the LORD in his appointed season; that man shall bear his sin.
Deuteronomy 16:3
3 Thou shalt eat no leavened bread with it; seven days shalt thou eat unleavened bread therewith, even the bread of affliction; for thou didst come forth out of the land of Egypt in haste; that thou may remember the day when thou didst come forth out of the land of Egypt all the days of thy life.
1 Corinthians 5:7-8
7 ¶ Purge out therefore the old leaven, that ye may be a new lump, as ye are unleavened. For even Christ, our passover, is sacrificed for us;
8 therefore let us celebrate the feast, not in the old leaven, neither in the leaven of malice and wickedness, but in the unleavened bread of sincerity and truth.