[3] In this capacity, he was the parliament's rapporteur on a proposal to establish a municipal police in Paris (2019)[4] and (alongside Raphaël Schellenberger) on territorial reforms (2019).

In early 2018, Questel was one of several LREM member who joined an informal parliamentary working group on Islam in France set up by Florent Boudié in order to contribute to the government's bill aimed at better organizing and supervising the financing of the Muslim faith in France.

[6] From 2018 until 2020, Questel served as one of five deputy chairpersons of the LREM parliamentary group, under the leadership of chairman Gilles Le Gendre.

[8] In July 2019, Questel voted in favour of the French ratification of the European Union’s Comprehensive Economic and Trade Agreement (CETA) with Canada.

[9] In December 2018, around 40 protesters of the yellow vests movement fired six shotgun rounds in front of Questel’s home and he received many threatening letters.