http://www.legislation.gov.uk/eudr/2005/71/article/8Council Directive 2005/71/EC of 12 October 2005 on a specific procedure for admitting third-country nationals for the purposes of scientific researchCouncil Directive 2005/71/ECCouncil Directive 2005/71/EC of 12 October 2005 on a specific procedure for admitting third-country nationals for the purposes of scientific research2020-12-12King's Printer of Acts of Parliamenthttps://webarchive.nationalarchives.gov.uk/eu-exit/https://eur-lex.europa.eu/legal-content/EN/TXT/?uri=CELEX:32005L0071texttext/xmlen2005-10-12Council Directive 2005/71/EC of 12 October 2005 on a specific procedure for admitting third-country nationals for the purposes of scientific researchDirectiveDirective (EU) 2016/801 of the European Parliament and of the Council of 11 May 2016 on the conditions of entry and residence of third-country nationals for the purposes of research, studies, training, voluntary service, pupil exchange schemes or educational projects and au pairingDirectiveCHAPTER IIIADMISSION OF RESEARCHERS
Article 8Duration of residence permit

Member States shall issue a residence permit for a period of at least one year and shall renew it if the conditions laid down in Articles 6 and 7 are still met. If the research project is scheduled to last less than one year, the residence permit shall be issued for the duration of the project.