Protocol Relating to the Madrid Agreement Concerning the International Registration of Marks adopted at Madrid on June 27, 1989, as amended on October 3, 2006, and on November 12, 2007 : Regulations under the Protocol Relating to the Madrid Agreement Concerning the International Registration of Marks (as in force on November 1, 2021) ; Administrative instructions for the application of the Protocol Relating to the Madrid Agreement Concerning the International Registration of Marks (as in force on February 1, 2021) , Schedule of fees, (as in force on November 1, 2021) (WIPO, 2021)