Numbers 9:7
and those men said unto him, We are defiled by the dead body of a man; why are we kept back, that we may not offer an offering of the LORD in his appointed season among the sons of Israel?
Exodus 12:27
That ye shall say, It is the sacrifice of the LORD's passover, who passed over the houses of the sons of Israel in Egypt, when he smote the Egyptians and delivered our houses. Then the people bowed and worshipped.
Numbers 9:2
Let the sons of Israel also keep the passover at its appointed season.
Deuteronomy 16:2
Thou shalt, therefore, sacrifice the passover unto the LORD thy God, of the sheep and the cows, in the place which the LORD shall choose to cause his name to dwell therein.
2 Chronicles 30:17-19
For there were yet many in the congregation that were not sanctified; therefore, the Levites had the charge of the killing of the passovers for each one that was not clean, to sanctify them unto the LORD.
1 Corinthians 5:7-8
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;