1. The minimum set of data necessary in order to enter an alert into SIS shall be the data referred to in points (a), (g), (k), (m), (n) and (q) of Article 20(2). The other data referred to in that paragraph shall also be entered into SIS, if available.
2. The data referred to in point (e) of Article 20(2) of this Regulation shall only be entered when this is strictly necessary for the identification of the third-country national concerned. When such data are entered, Member States shall ensure that Article 9 of Regulation (EU) 2016/679 is complied with.