As I currently envision it, for works published by FWG-qualifying publishers, the Council should be able to request guidelines from the publishers if it's not immediately obvious from the work itself. For works not published by FWG-qualifying publishers, it will probably fall to the council to make that determination during the eligibility rule that had to happen anyway, so I don't see this as an undue burden for the Council to resolve.
This is, naturally, another point of contention. Personally I like it better than a general/erotica split, or not including erotic works at all.
It's anything that would make it "restricted" (~above PG-13); sex, explicit violence, drugs, etc. From recent discussion:
This is, naturally, another point of contention. Personally I like it better than a general/erotica split, or not including erotic works at all.