WIPO World Intellectual Property Organization [to 2 July 2016]
http://www.wipo.int/pressroom/en/

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Jun 30, 2016
Canada’s Accession to Marrakesh Treaty Brings Treaty into Force
Canada today became the key 20th nation to accede to the Marrakesh Treaty to Facilitate Access to Published Works for Persons Who Are Blind, Visually Impaired or Otherwise Print Disabled, which will bring the Treaty into force in three months on September 30, 2016.