Karliczek has been a member of the Bundestag since the 2013 elections, representing Steinfurt III. Between 2013 and 2018, she was a member of the Finance Committee, where she served as the &lt;a href="CDU/CSU"&gt;CDU/CSU&lt;/a&gt; parliamentary group's rapporteur on occupational and fully funded pension schemes and employee shareholding. From 2017, she also served as deputy of Michael Grosse-Brömer in his role as First Secretary of the parliamentary group. In this capacity, she was a member of the parliament’s Council of Elders, which – among other duties – determines daily legislative agenda items and assigns committee chairpersons based on party representation.