CONTENTS I. Introduction.................................................................................................................................4 UNHCR’s mandate.................................................................................................................6 International standards related to detention in the immigration context................6 II. Key concepts............................................................................................................................ 10 III. Guiding questions for the identification of stateless persons in detention........13 Preparation of the visit.........................................................................................................13 During the visit...................................................................................................................... 16 IV. Further analysis and steps after the detention visit................................................. 24 Verify possible statelessness or nationality................................................................. 24 Challenge the detention decision.................................................................................. 25 Support a post-release solution...................................................................................... 26 Advocate for changes in law, policy and practice...................................................... 28 Background documents........................................................................................................... 29 Statelessness....................................................................................................................... 29 Detention............................................................................................................................... 29 Statelessness and detention............................................................................................ 30