Banking (Special Provisions) Act 2008
The Banking (Special Provisions) Act 2008 (c. 2) is an act of the Parliament of the United Kingdom that entered into force on the 21 February 2008 in order to enable the UK government to nationalise high-street banks under emergency circumstances by secondary legislation.
Source: Wikipedia — Banking (Special Provisions) Act 2008 (CC BY-SA 4.0)