Click to access ey-tax-alert-reforma-normativa-listado-paraisos-fiscales.pdf
www.tmf-group.com/es-co/news-insights/articles/2017/october/ecuador-tax-haven-regulation/
Click to access TRIBUTAR-PARAISOS_Y_REGIMENES_FISCALES_PREFERENTES.pdf
Update:
www.ey.com/en_gl/tax-alerts/ecuadorian-tax-authority-reforms-definitions-and-tax-treatment-f