Leviticus 23:4-3 Places Passover within God's instructions to the nation of Israel as a whole regarding how to come before Him to worship.

These instructions to observe the Passover are addressed the entire nation for two reasons:

1. Everyone is required to keep the passover at the appointed time
2. The community at large will be held responsible for ensuring that anyone who refuses to keep the Passover as God has instructed is cast out from the nation Exodus 12:15, Exodus 31:13-14, Numbers 9:13,