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 Market Foundation
The Social Market Foundation (SMF) is an independent British public policy think-tank based in Westminster, London. It is one of the 'Top 12 Think Tanks in Britain' and was named 'UK Think Tank of the Year' by Prospect in 2012. Its purpose is to "advance the education of the public in the economic, social and political sciences" and to "champion ideas that marry a pro-market orientation with concern for social justice". Policy ideas are based on the concept of the social market economy.