 From 2003 to 2006 she was a member of the Catalan Parliament for Girona Province, and from 2006 to 2017 for Barcelona Province.Rigau appeared in court in Barcelona on 13 October 2015, to face criminal charges of having assisted in the organisation of the 2014 Catalan self-determination referendum, which the Spanish courts deemed illegal.President Artur Mas and vice president Joana Ortega also faced charges.