In the context of Perenco Ecuador Ltd.’s Petition to enforce an arbitral award against the Republic of Ecuador before the United States District Court for the District of Columbia (Case No. 19-cv-02943-JMC), Ecuador submitted its response to Perenco’s written pleading lodged on 25 January in connection with the 8 November 2021 judgment delivered by the Tax Chamber of the Ecuadorian National Court of Justice (Sala Especializada de lo Contencioso Administrativo de la Corte Nacional de Justicia) (NCJ).