In addition to his committee assignments, he is part of the French-Irish Parliamentary Friendship Group.

[3] In 2018, Molac was one of the founding members of the Liberties and Territories parliamentary group.

[4] In April 2021, Molac succeeded in securing cross-party support for a legislative proposal aimed at the protection of the heritage and promotion of France's regional languages.

[5] When the education ministry subsequently appealed the so-called "Molac law", the Constitutional Council ruled that it was out of line with article two (added in 1994) of the Constitution of France, which stipulates that the language of the French republic is French.

In April 2018, Molac joined other co-signatories around Sébastien Nadot in officially filing a request for a commission of inquiry into the legality of French weapons sales to the Saudi-led coalition fighting in Yemen, days before an official visit of Saudi Crown Prince Mohammed bin Salman to Paris.