In accordance with paragraph 13 of resolution 1822 (2008) and subsequent related resolutions, the ISIL (Da'esh) and Al-Qaida Sanctions Committee makes accessible a narrative summary of reasons for the listing for individuals, groups, undertakings and entities included in the ISIL (Da'esh) and Al-Qaida Sanctions List.
Tayeb Nail was listed on 22 April 2010 pursuant to paragraphs 1 and 2 of resolution 1904 (2009) as being associated with Al-Qaida, Usama bin Laden or the Taliban for “participating in the financing, planning, facilitating, preparing or perpetrating of acts or activities by, in conjunction with, under the name of, on behalf or in support of” or “supplying, selling or transferring arms and related materiel to” the Organization of Al-Qaida in the Islamic Maghreb (QDe.014) and Armed Islamic Group (QDe. 6).
In 2004, Tayeb Nail travelled to the north of Mali where he joined the Organization of Al-Qaida in the Islamic Maghreb (QDe.014) group led by Mokhtar Belmokhtar (QDi.136).
Since then, Tayeb Nail has been active on behalf of the organization. In 2005, he participated in an attack against the Mauritanian military base of El M’gheiti and then joined a terrorist cell in charge of kidnapping foreign nationals, planning and conducting bombings and recruiting new members.
In 2007, Tayeb Nail managed to obtain a counterfeit Malian identity document in the city of Gao, Mali.
In 2008, he was involved in the transportation of 200 kilograms of fertilizer by Malian national Aissa Ould Saleck. The fertilizer was to be used to make improvised explosives.
Tayeb Nail has also taken part in several fake police check points in the region of Boukhil, Algeria, and was involved in an attack on an Algerian military unit in 1999.
The Tribunal of Sidi M’hamed, Algiers, Algeria, issued an international warrant for his arrest in 2009.
Tayeb Nail is subject to a decision rendered on 21 February 2013 by the Judicial Unit of Algiers, sentencing him in absentia to 20 years imprisonment for being a member of a terrorist group operating inside and outside the national territory.
Tayeb Nail is reportedly a member of Jama'a Nusrat ul-Islam wa al-Muslimin (JNIM, QDe.159) as of November 2023.