I'm looking at a fare C2-C1-C2 with a high YQ and what to see how I can combine it without going off on a wild goose chase. Can someone comment on my logic please? This isn't to do with combinability, but to increase earned mileage/segments: So this would allow C2a-C2b-C2c-C2d-C1a-C1b-C1c, correct? I've tried this with some fares but it's not always accepted. Is there some restriction that you must always be headed in the right direction too? Category 23 and Miscellaneous Provisions seem to mean the same thing, but it's not very clear to me whether it means that the text following are the Category 23 provisions, or I'm supposed to look elsewhere (not in the fare rules) for category 23 provisions? So if I look for a 1x or 3x it must be in C1 only? And if I know that the 1x or 3x is served only by none of xx/yy/zz then there's no point trying that either. Edit: since it seems only end-on-end are allowed in area 1, I can't do a 1x or a 3x at all it seems? Can someone explain what maximum of two international fare components actually means? Since I'm starting in C2 and flying to C1 have I already used up these two international fare components so I can't, for example transit through Canada on the way to the US? Thanks.