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.
Business Employment Services Training
Business Employment Services Training (BEST) is a welfare-to-work company in the United Kingdom. BEST is one of several companies that has a contract with the British government as part of the Work Programme - a workfare programme whereby unemployed individuals must work for their unemployment benefits.