Hi Nicci. Thanks - that is timely for frankvb's question in this other thread today:

http://www.flyertalk.com/forum/showthread.php?t=891807

But in this thread we were wondering about charges for MFUing existing bookings. So, say, tomorrow I book a standard UK T-Class fare which has the usual conditions 'changeable for 50 GBP plus any fare difference' and next week I notice U class open on one/both legs so I call up the EC to MFU that existing booking. In the past, the 50 GBP change fee was applied to revenue class changes only (e.g. to move the date or a paid upgrade to a Club fare) but NOT for just the process of an MFU on the same flight as already booked. Is it still the case that this change fee should NOT apply to a simple 'MFU to an existing revenue booking' for all pax/only Golds/nobody?

Thanks in advance