Originally Posted by
ZKOKA
I basically have the same question, for a JTA/NU operated flight to Ishigaki. JAL reservations in London told me seat reservation is not allowed on GEXPLRER fare base, yet I have found no such mention in their T&C and fare rules, so I am willing to challenge that statement and potentially escalate to a supervisor. I am ow Emerald and my +1 is ow Ruby, if that helps.
JAL does state on their homepage that certain fares are not eligible for advance seat reservations. I could not find a link to the specific booking classes, but I seem to remember that G is among them.