Exodus 34:25

Thou shalt not slaughter upon leaven, the blood of my sacrifice; and the sacrifice of the festival of the pass-over shall not be left to morning.

Exodus 23:18

Thou shalt not sacrifice upon leaven: the blood of my sacrifice, and the fat of my festival shall not remain over till morning.

Exodus 12:10

Ye shall not leave from it till morning: and that remaining from it till morning, ye shall burn with fire.

Exodus 12:8

And they shall eat the flesh in that night roasted with fire and unleavened; upon bitter herbs shall they eat it

Exodus 12:20

All leavened ye shall not eat: in all your dwellings ye shall eat unleavened.

Exodus 29:34

And if there shall remain from the flesh of the completions, and from the bread, till the morning, burn the remainder with fire, for it shall not be eaten for it is holy.

Leviticus 7:15

And the flesh of the sacrifice of praise of his peace, in the day of his offering shall be eaten; he shall not leave from it till morning.

Numbers 9:12

They shall not leave from it till morning, and a bone they shall not break in it: according to all the laws of the passover they shall do it

Deuteronomy 16:3

Thou shalt not eat upon it leavened; seven days thou shalt eat upon it unleavened, the bread of affliction; (for in hasty flight thou camest forth out of the land of Egypt) so that thou shalt remember the day of thy coming forth from the land of Egypt all the days of thy life,

1 Corinthians 5:7-8

Therefore cleanse out the old leaven, that ye may be a new mixture, as ye are unleavened. For also our pascha was sacrificed for us, Christ:

Treasury of Scripture Knowledge

Summary

Thou shalt not offer the blood of my sacrifice with leaven; neither shall the sacrifice of the feast of the passover be left unto the morning.

General references

Bible References

Leaven

Exodus 12:20
All leavened ye shall not eat: in all your dwellings ye shall eat unleavened.
Exodus 23:18
Thou shalt not sacrifice upon leaven: the blood of my sacrifice, and the fat of my festival shall not remain over till morning.
Deuteronomy 16:3
Thou shalt not eat upon it leavened; seven days thou shalt eat upon it unleavened, the bread of affliction; (for in hasty flight thou camest forth out of the land of Egypt) so that thou shalt remember the day of thy coming forth from the land of Egypt all the days of thy life,
1 Corinthians 5:7
Therefore cleanse out the old leaven, that ye may be a new mixture, as ye are unleavened. For also our pascha was sacrificed for us, Christ:

Be left

Exodus 12:10
Ye shall not leave from it till morning: and that remaining from it till morning, ye shall burn with fire.
Exodus 23:18
Thou shalt not sacrifice upon leaven: the blood of my sacrifice, and the fat of my festival shall not remain over till morning.
Exodus 29:34
And if there shall remain from the flesh of the completions, and from the bread, till the morning, burn the remainder with fire, for it shall not be eaten for it is holy.
Leviticus 7:15
And the flesh of the sacrifice of praise of his peace, in the day of his offering shall be eaten; he shall not leave from it till morning.
Numbers 9:12
They shall not leave from it till morning, and a bone they shall not break in it: according to all the laws of the passover they shall do it

General references

Exodus 12:10
Ye shall not leave from it till morning: and that remaining from it till morning, ye shall burn with fire.