INTERGROUP BUSINESS MEETING OCCUR EVERY 3 MONTHS. EVERY ALTERNATE MEETING IS SCHEDULED FOR A LONDON VENUE Intergroup serves SLAA groups throughout the UK.Alternatively, leave a message on our INFOLINE: 07951 815 087 with your contact details so that a volunteer from SLAA may notify you of the address. Service positions currently open on our Committee. See Officer Roles. ONLINE RESPONDERS - NEW POSITIONS SOON AVAILABLE.