Exodus 12:47

44 but every man`s servant who is bought for money, when you have circumcised him, then shall he eat of it.

45 A sojourner and a hired servant shall not eat of it.

46 In one house shall it be eaten; you shall not carry forth anything of the flesh abroad out of the house; neither shall you break a bone of it.

47 All the congregation of Israel shall keep it.

48 When a stranger shall sojourn with you, and will keep the Passover to Yahweh, let all his males be circumcised, and then let him come near and keep it; and he shall be as one who is born in the land: but no uncircumcised person shall eat of it.

49 One law shall be to him who is born at home, and to the stranger who sojourns among you."

50 Thus did all the children of Israel. As Yahweh commanded Moses and Aaron, so they did.