The Provisional Irish Republican Army is also referred to as the IRA, the PIRA, the Provos, or by its supporters as the Army or the 'RA. The PIRA usually refers to its members as volunteers. The IRA is a listed in the UK under the Terrorism Act 2000. It is also listed as an unlawful organisation in the Republic of Ireland. The United States does not list the IRA as a "foreign terrorist organization", but includes them in the category of "other selected terrorist groups also deemed of relevance in the global war on terrorism.".