Noob: What constitutes ticket "reissue" or "revalidation"
CX fare rules indicate the following:
CHANGES
ANY TIME
CHARGE USD 100.00 FOR REISSUE.
CHARGE USD 100.00 FOR REVALIDATION.
but I'm not clear on the definitions of "reissue" and "revalidation". Google is not helping. But I'm sure FT can... ^