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".
Credit unions in the United Kingdom
Since October 2008 UK credit unions are covered by the Financial Services Compensation Scheme (FSCS), which protects savings in banks and similar institutions up to £85,000 (), covering about 98% of people; most members get their money back within a week.