Val-d'Oise's 10th constituency  The 10th constituency of Val-d'Oise is a French legislative constituency in the Val-d'Oise "département". It is currently represented by Aurélien Taché of La République En Marche! (LREM). The 10th constituency of Val-d'Oise is a new seat created as a result of the 2010 redistricting of French legislative constituencies, which awarded the department with one additional seat. The constituency was created by taking two cantons from the old 2nd constituency of Val-d'Oise. Official results of French elections from 2002: "Résultats électoraux officiels en France" (in French).