sentences:  Subsequently, in 2009 a Panel of Experts was established in support of this Committee.While the resolution does invoke Chapter VII of the United Nations Charter which allows for enforcement, it does not provide for any use of military force to back up these demands.The UN Security Council had earlier determined to present a united front on this resolution in order to make clear to Pyongyang its condemnation of the reclusive nation's nuclear aspirations, but there remain differences of opinion about the implementation of the resolution.