Originally Posted by
flyerCO
Yes change around time could start using on KE. KL/KL requires Y to book into Z or BM into O. The second line was typo, it should read KLM or Air France marketed.(the sentence before wouldn't make sense otherwise) In fact it's been corrected online in some places.
It was changed well before the ability to use on KE. See my archive.org link above from Feb 2017 --
- Valid on all KLM-marketed, KLM-operated flights from published Main Cabin fares in Y, B, or M class to Business Class.