Originally Posted by
JAXBA
BA surcharges are usually set by country of origin and then route/cabin. I saw the Excel spreadsheet version of the breakdown back when I worked there; this is probably loaded into ATPCO or the GDSs in a table that pricing systems can query, but not in a way that we can ask a GDS or EF to 'show me the BA YQ table' - I haven't found it yet anyway…
BA used to do a fare quote for the whole itin, at the best published fare level, then use that quote to build the price for the RTW; remove the quoted fare, replace with the xONEx fare, keep the TFCs that quoted (removing or adjusting any that we knew needed it.) The YQ/YR would be whatever quoted for the underlying route/cabin for the point of sale.