In the negotiations to form a coalition government following the 2009 federal elections, Bär was part of the CDU/CSU delegation in the working group on families, integration of immigrants and culture, led by Maria Böhmer and Hans-Joachim Otto.

[5] In the coalition talks following the 2013 federal elections, Bär led the working group on digital policy; her co-chair was Brigitte Zypries of the SPD.

In the third government under Chancellor Angela Merkel, she served as Parliamentary State Secretary in the Federal Ministry of Transport and Digital Infrastructure under the leadership of Minister Alexander Dobrindt.

[6] In the negotiations to form a fourth cabinet under Merkel following the 2017 federal elections, Bär again led the working group on digital policy, this time alongside Helge Braun and Lars Klingbeil.

[8] Ahead of the 2021 elections, CDU chairman Armin Laschet included Bär in his eight-member shadow cabinet for the Christian Democrats’ campaign; she was the only CSU politician selected for this role.

[9] Ahead of the 2021 national elections, Bär endorsed Markus Söder as the Christian Democrats' joint candidate to succeed Chancellor Angela Merkel.