The LORD spoke to Moses and Aaron. He said, "Here are the rules for the Passover. "No one from another country is allowed to eat the Passover meal.
References for Exodus 12:43
Any slave you have bought is allowed to eat it after you have circumcised him.
But a hired worker or someone who lives with you for a while is not allowed to eat it.
"It must be eaten inside a house. Do not take any of the meat outside. Do not break any of the bones.
The whole community of Israel must celebrate the Passover.
"Suppose an outsider who is living among you wants to celebrate the LORD's Passover. Then all of the males in that home must be circumcised. After that, the person can take part, just like an Israelite. Only males who are circumcised can eat it.
"The same law applies to Israelites and to outsiders who are living among you."
All of the people of Israel did just what the LORD had commanded Moses and Aaron.
On that very day the LORD brought the Israelites out of Egypt like an army on the march.