This system will be undergoing maintenance Tuesday, September 30, 2014 from 9:00 AM to 2:00 PM CDT.

Convention for the Protection of Plants : message from the President of the United States transmitting the International Convention for the Protection of New Varieties of Plants of December 2, 1961, as revised at Geneva on November 10, 1972, on October 23, 1978, and on March 19, 1991, and signed by the United States on October 25, 1991