IBOR establishes a minimum standard to which all people are entitled and is superior to any conflicting law. Any country may enact a law or interpret its own Constitution to provide for rights greater than those IBOR guarantees.
A Plan for our Human Family
Kirk Boyd says
Article 30 builds in flexibility for the further expansion of rights. IBOR is only intended to create a baseline of fundamental, enforceable rights for people in all countries. The judiciaries of nations and states are able to interpret their own Bills of Rights to provide even greater protections than those in IBOR.