It should be between 3 and 30 characters long. We recommend that it be at least 6 characters in length. You can use letters or numbers or a combination of both, whatever you think you will be able to remember. Should you forget your PIN, ask Library staff at a Loans Desk to remove the PIN from your record. You will then be able to select a new one the next time you view your record.
More information is available on PINs .