Payment for bookings taken in advance require a 10% deposit of the full value of the booking. Bookings taken in resort require full payment before commencement of the session or sessions. Payment can be made by either cash, UK cheque or bank transfer.
Links to carefully selected other sites that you may find of interest.
If you're new to skiing the following site gives useful basic information hobbyhelp.com/skiing and for existing good off-piste skiers who want full days and off piste tours, have a look at www.tignesoffpiste.com - British tuition from Kev Herbert.