By 1974 there were 566 in England, 29 in Wales and 59 in Scotland.[9] After the National Health Service Reorganisation Act 1973, responsibility for promoting health centres was transferred to Area Health Authorities and there were renewed calls to establish more Health Centres.[10] It was suggested that these centres could arrange alternative medical care for patients "when their doctor is off duty, or for emergency calls when he is engaged elsewhere".[10]