All Society events are open to members and non-members. The latter may be asked to pay a small charge at some meetings. For some conferences and symposia a charge is made. Some of these events can now be booked on our site (if they are marked as BOOK ONLINE) and paid for via Paypal - you do not need to be a member of Paypal to do this but you will need a credit/debit card. The option to pay as a guest is at the bottom of the first Paypal screen you arrive at. Immediately after payment is complete you will get a confirmatory email from us which acts as your ticket to the event.