From Gardyloo's post 20 on another thread "Some unpleasant unforeseen rule changes today - Intra-South America O/D O/J prohibited, and no transit through origin point."

The source of Gardyloo's information unknown at this time (EF?). Some discussion on this enhancement on AFF

Also discussion about LAN affiliates on this thread. No real change

Unfortunately look like more programming needed by SLF when all this is 100% confirmed