Exodus 12:49-51

Amplified Bible

⁴⁹ The same law shall apply to the native-born and to the stranger who lives temporarily among you.”

⁵⁰ Then all the Israelites did so; they did just as the Lord had commanded Moses and Aaron. ⁵¹ And on that very same day the Lord brought the Israelites out of the land of Egypt by their hosts (tribal armies).