National Insurance number
The National Insurance number is a number used in the United Kingdom in the administration of the National Insurance or social security system. It is also used for some purposes in the UK tax system. The number is described by the United Kingdom government as a "personal account number".
Association of Social Workers
The Association of Social Workers (ASW) was the main professional body for non-specialised social workers in the United Kingdom. It was established as the British Federation of Social Workers (BFSW) in 1935 and changed its name in 1951. From 1949 it opened its membership to all social workers and from 1951 promoted itself as the body to join to work towards a unified profession.