Categories of data
Article 4
1. An alert on return entered into SIS in accordance with Article 3 of this Regulation shall contain only the following data: (a) surnames; (b) forenames; (c) names at birth; (d) previously used names and aliases; (e) place of birth; (f) date of birth; (g) gender; (h) any nationalities held; (i) whether the person concerned: (i) is armed; (ii) is violent; (iii) has absconded or escaped; (iv) poses a risk of suicide; (v) poses a threat to public health; or (vi) is involved in an activity referred to in Articles 3 to 14 of Directive (EU) 2017/541; (j) the reason for the alert; (k) the authority which created the alert; (l) a reference to the decision giving rise to the alert; (m) the action to be taken in the case of a hit; (n) links to other alerts pursuant to Article 48 of Regulation (EU) 2018/1861; (o) whether the return decision is issued in relation to a third-country national who poses a threat to public policy, to public security or to national security; (p) the type of offence; (q) the category of the person's identification documents; (r) the country of issue of the person's identification documents; (s) the number(s) of the person's identification documents; (t) the date of issue of the person's identification documents; (u) photographs and facial images; (v) dactyloscopic data; (w) a copy of the identification documents, in colour wherever possible; (x) last date of the period for voluntary departure, if granted; (y) whether the return decision has been suspended or the enforcement of the decision has been postponed, including as a result of the lodging of an appeal; (z) whether the return decision is accompanied by an entry ban constituting the basis for an alert for refusal of entry and stay pursuant to point (b) of Article 24(1) of Regulation (EU) 2018/1861. 2. The minimum set of data necessary to enter an alert into SIS shall be the data referred to in points (a), (f), (j), (l), (m), (x) and (z) of paragraph 1. The other data referred to in that paragraph shall also be entered into SIS, if available. 3. Dactyloscopic data referred to in point (v) of paragraph 1 may consist of: (a) one to ten flat fingerprints and one to ten rolled fingerprints of the third-country national concerned; (b) up to two palm prints in respect of third-country nationals from whom the collection of fingerprints is impossible; (c) up to two palm prints in respect of third-country nationals who are subject to return as a criminal law sanction or who have committed a criminal offence on the territory of the Member State which issued the return decision.