Originally Posted by henkybaby

Trust me, it is there. There are two rule sheets by the way. The one published on the OneWorld website and the one by the issuing airline. The latter states the reissue first segment situation.

To illustrate: when CX made me miss my first flight of an DONE5 they had to reissue themselves against the new rate and reimburse me for the difference in order to stick to IATA rules. Silly, but true. (Money never changed hands, but my ticket does have the new price etc).