Exodus 12:47
The entire congregation of Israel shall keep and celebrate it.
Exodus 12:6
You shall keep it until the fourteenth day of the same month, then the whole assembly of the congregation of Israel is to slaughter it
Numbers 9:13
But the man who is [ceremonially] clean and is not on a journey, and yet does not observe the Passover, that person shall be cut off from among his people [excluding him from the atonement made for them] because he did not bring the Lord’s offering at its appointed time; that man will bear [the penalty of] his sin.
Exodus 12:3
Tell all the congregation of Israel, ‘On the tenth [day] of this month they are to take a lamb or young goat for themselves, according to [the size of] the household of which he is the father, a lamb or young goat for each household.