This International Standard provides guidance on the process of complaints handling related to products within an organization, including planning, design, operation, maintenance and improvement. The complaintshandling process described is suitable for use as one of the processes of an overall quality management system. This International Standard is not applicable to disputes referred for resolution outside the organization or for employment-related disputes. It is also intended for use by organizations of all sizes and in all sectors. Annex A provides guidance specifically for small businesses.