Exodus 12:47
All the congregation of Israel shall keep it.
Exodus 12:6
And ye shall keep it until the fourteenth day of the same month, and the whole assembly of the congregation of Israel shall kill it at evening.
Numbers 9:13
But the man who is clean, and is not on a journey, and forbears to keep the Passover, that soul shall be cut off from his people, because he did not offer the oblation of LORD in its appointed season; that man shall bear his sin.
Exodus 12:3
Speak ye to all the congregation of Israel, saying, In the tenth [day] of this month they shall take to them every man a lamb, according to their fathers' houses, a lamb for a household.