The Global Privacy Enforcement Network (GPEN), a network involving the main data protection authorities around the world, undertook a joint action on 6 May 2013, the Internet Sweep Day. In France, 250 websites were reviewed by the French data protection authority (CNIL) to check the compliance of such websites and their data privacy policy with French law on privacy, data protection and freedom of information. Sanctions could be taken by the CNIL.