Originally Posted by
ernestnywang
One thing that has not been clarified is whether GO and DM can guest pax on CX- or KA-coded code-share flights operated by a non-oneworld carrier, now that the members can access any CX's or KA's own lounges when departing on CX- or KA-coded code-share flights operated by a non-oneworld carrier, if they can physically access the lounge. I believe the answer would be yes, but it's not specifically written.
Any chance you found out the answer to this? If not, no worries. I'll find out later this month and can report back then.