How Much Binding Forces Do Those NSS-Decided Articles Have In Each Nation?

Since those agreements in the name of 'Seoul Communique' are more like declarations of each nations' political will, rather than regulations, they don't carry legal binding forces. But, owing to the fact that those are discussed and decided by heads of nations themselves, most countries will put emphasis on implementing the articles. During 2010 Washington Summit, 30 nations voluntarily promised nuclear security measures. Most measures have been taken by now and even new measures are being taken..