Letter from Kevin Stewart (Minister for Mental Wellbeing and Social Care, Scottish Government), Gregor Smith (Chief Medical Officer, Scottish Government) and colleagues to Registered care home providers (adults), Chief Executives NHS Boards and Local Authorities, Chief Officers Health and Social Care Partnerships, Chief Social Work Officers, Directors of Public Health, Nurse and Medical Directors Care Inspectorate and COSLA regarding updated advice in relation to residents having a named visitor, dated 15/09/2021.