Redefining the boundaries of the Common Commercial Policy and the ERTA doctrine: Opinion 3/15, Marrakesh Treaty: Opinion 3/15, Marrakesh Treaty to Facilitate Access to Published Works for Persons who are Blind, Visually Impaired or Otherwise Print Disabled, Opinion of the Court pursuant to Article 218(11) TFEU (Grand Chamber) of 14 February 2017, EU:C:2017:114
