National Insurance number
The National Insurance number is used as a reference number in the Pay As You Earn system, and also by the self-employed. It is also used in applications for Individual Savings Accounts (ISAs), to check that an individual has opened only one ISA in a tax year.
Social Fund Commissioner
The Social Fund Commissioner was an office created under United Kingdom social security legislation in 1986 intended to be independent of the government department responsible for social security provision. The office-holder was appointed by the Secretary of State and was the head of the Independent Review Service, located in Birmingham, the headquarters of the Social Fund Inspectors of Great Britain. There was also a small inspectorate in Belfast, Northern Ireland.