The un security council's decisions depend entirely on the interests of its member states, and although security council resolutions in theory bind all un members, member states in practice often try to evade or soften their effect. these characteristics of the council are both examples of its

I believe the answer is: limited power

limited power in this context refers to the power that possessed by a certain organization or individual that granted them the ability to restrict the activities of another organization or individual.
In this particular case, the limited power is used to banned the members of the UN from doing a certain action.