Originally Posted by oneworld4u
... Can you imagine the complexity in supporting the sale of a product not based on these global industry-wide standards? Can you imagine the number of FT blogs that would flow as a result of sales agents around the world being unfamiliar with the additional idiosyncrasies of such a fare? How many of the participants of this forum for experts and enthusiasts, let alone the standard small town travel agent, have heard of such a thing as “linked PNRs”, quite apart from understanding how they may work?
So, sorry Viajero, Hugh and others, but linked PNRs is not regarded as a practical procedure for this product at this time. ...
Ok, this directly implies that "Linked PNR's" do exist, but are not widely known.