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How do I pay my membership dues and how much do I need to pay?
Every November, the ISI Permanent Office sends out all members an invoice for their membership dues for the forthcoming calendar year. This invoice specifies the basic amount that one should pay. Please check that your address details are correct and if you move or change your e-mail address, telephone or fax numbers. Several optional publications are also listed on the invoice that one can select. When the total amount has been calculated and specified on the invoice by you, one of the invoice copies should be returned to the ISI Permanent Office indicating your selections and the corresponding amount. On the back of the invoice we have indicated the various ways in which you can process your payment.