Quaeritur: My son and fiancee are Catholics, [according to me but very likely not according to them nor their friends], and [are] considering having a non-priest [a deacon, perhaps? No?] perform the ceremony in the Outer Banks, NC. We have two family members saying that as Catholics, they can’t attend the wedding because it is outside of the church. Is there some rule that is keeping them from attending the wedding?
Respondio: There is indeed a very elegant rule for avoiding sin when one finds oneself without previously accepted social commitments of that order of magnitude. Follow the five simple steps Deaconette now outlines: