Exodus 12:44-49

44But any slave who has been purchased may eat it if he has been circumcised.

45Temporary residents and hired servants may not eat it.

46Each Passover lamb must be eaten in one house. Do not carry any of its meat outside, and do not break any of its bones.

47The whole community of Israel must celebrate this Passover festival.

48“If there are foreigners living among you who want to celebrate the Lord’s Passover, let all their males be circumcised. Only then may they celebrate the Passover with you like any native-born Israelite. But no uncircumcised male may ever eat the Passover meal.

49This instruction applies to everyone, whether a native-born Israelite or a foreigner living among you.”