December 1995 – The United States and Canada signed the Amending Protocol to the Convention for the Protection of Migratory Birds in the United States and Canada. The Amending Protocol allowed the taking of birds for management purposes without day and date restrictions. The Amending instructions were exchanged in October 1999. The U.S. Senate ratified the agreement in October of 1997. It came into force in Canada in October, 1999.