Originally Posted by
sds1493
Don't know about the States, however, in the UK, Ryanair and others happily charge £4 extra per segment per pax for using any card besides a visa electron.
UK and Australia law forbids Visa/MC from not allowing transaction fees on the buyer side.
In the US it is not allowed by Visa/MC except with very very few merchants. IRS is the only merchant that I know of that has approval from CC companies.