Von Notz has been a member of the German
Bundestag since the
2009 national elections. In his first legislative term from 2009 until 2013, he served on the Committee on Internal Affairs and was his parliamentary group's spokesperson on internal affairs and digital policy. Following the
2013 elections, von Notz was appointed vice-chairman of his
parliamentary group, under the leadership of co-chairs
Katrin Göring-Eckardt and
Anton Hofreiter. In this capacity, he served as coordinator of the group’s legislative initiatives on internal and legal affairs and as spokesperson on digital policy. He also leads the Green Party's parliamentary group within the
German Parliamentary Committee investigating the NSA spying scandal and the Committee on the Digital Agenda. Since 2018, he has been a member of the
Parliamentary Oversight Panel (PKGr), which provides parliamentary oversight of Germany’s intelligence services
BND,
BfV and
MAD. He also joined the Committee on the Election of Judges (
Wahlausschuss), which is in charge of appointing judges to the
Federal Constitutional Court of Germany. In addition to his committee assignments, von Notz has been serving as deputy chairman of the Parliamentary Friendship Group for Relations with the
Baltic States since 2009. Under the umbrella of the German parliaments’ godparenthood program for human rights activists, von Notz has been raising awareness for the work of persecuted Cuban dissident
Antonio Rodiles since 2013. In the negotiations to form a so-called
traffic light coalition of the
Social Democrats (SPD), the Green Party and the
FDP following the
2021 federal elections, von Notz led his party's delegation in the working group on
homeland security and civil rights; his co-chairs from the other parties were
Christine Lambrecht and
Wolfgang Kubicki. ==Other activities==