Exodus 12:48-49

New International Version

⁴⁸ “A foreigner residing among you who wants to celebrate the Lord’s Passover must have all the males in his household circumcised; then he may take part like one born in the land.^(A) No uncircumcised^(B) male may eat it. ⁴⁹ The same law applies both to the native-born and to the foreigner^(C) residing among you.”