Cancellation by customer, after a place on a course is confirmed:

Before and not including 1st October – Full refund.

After and including 1st October - Your fee refunded, less a 20% non-refundable deposit amount (balance can be deferred to the following year). 

All deposits are non-refundable as of October 1st of the year in which they are paid.

After the 1st December - no part of your fee is refundable, but your fee, less the 20% non-refundable deposit amount, can be deferred to the following year.

Fees can only be deferred for one year, so you should plan on attending next season.