Home Shop Shop Welcome to the CLA online shop. For exclusive member prices and to complete purchases you need to log in. CLA Advisory Handbooks provide unparalleled technical treatment of significant issues that affect CLA members. Handbooks are also available on annual subscription. To make an order via telephone, please call 020 7460 7969 (Monday to Friday 9am to 5pm excluding bank holidays). Please have your membership and credit card details to hand.