In a 2 December 2015 "Statement by NATO Foreign Ministers on Open Door Policy" Montenegro was invited to join the alliance, and the signatories encouraged "Georgia to continue making full use of all the opportunities for coming closer to the Alliance." They remained "committed to the Open Door Policy, a founding principle of the Washington Treaty" and encouraged "partners to continue to implement the necessary reforms and decisions to prepare for membership," while they "will continue to offer political and practical support to the efforts" of the partners.[6]