The subscription year runs from 1 October to 30 September.
Persons elected to membership in mid-year receive back publications entitlement for the whole year.
The upgrading fee is the difference between the grade held and the grade applied for. It is paid for the year of upgrading, after which the new grade rate applies . Concessionary subscription rates are available in specific circumstances to retired members and to members temporarily out of paid employment while bringing up a young family. Payment may also be made by Visa or Mastercard For new applications, payment must be made in full. For existing members, there is a discount of 3.00 for payment by direct debit.