HM Revenue and Customs
His Majesty's Revenue and Customs (commonly known as HMRC) is a department of the UK government responsible for the collection of taxes, the payment of some forms of state support, the administration of other regulatory regimes including the national minimum wage, and the issuance of national insurance numbers. HMRC was formed by the merger of the Inland Revenue and HM Customs and Excise, which took effect on 18 April 2005.