Foreign Ministry spokesman Richard Boucher said that "North Korea`s secret nuclear weapons program constitutes a serious violation of North Korea`s obligations under the agreed framework as well as the Non-Proliferation Treaty, its International Atomic Energy Agency Safeguard Agreement and the North-South Joint Declaration on the Denuclearization of the Korean Peninsula." Boucher also says the U.S. wants North Korea to live up to its non-proliferation commitments and seeks "a peaceful solution to this situation." An agreement on the "implementation of the Panmunjom Declaration in the military field" is adopted as an annex to the Pyongyang Joint Declaration. The annex sets out obligations for North and South Korea to create no-fly zones along the border, stop military exercises near the demilitarized zone (DMZ) between the two countries, and dismantle several guard posts within the DMZ. 27. September to 3 October 2007: The sixth round of six-party talks meets to discuss the way forward in the second phase of the agreement, which ended on 13 February. On October 3, the participants issued a joint statement in which North Korea agreed to submit by December 31 a "complete and correct declaration of all its nuclear programs — including the clarification of the uranium issue" — and to deactivate its Yongbyon nuclear facilities. Pyongyang also agrees to disable all other nuclear facilities subject to the September 2005 Joint Declaration and not to transfer nuclear material or technology abroad. . . .