Treaty:  It is written agreements between two states(bilateral) or between a number of states (multilateral), which is binding in international law  Treaties are binding only those states which are parties to the convention  Treaties are generally first drafted, adopted by a conference, then signed for ratification or accession   Convention:  Means coming together for a common objective  Multilateral treaty documents  Chief instruments, legal binding  Are identified by a name and year of adoption  It contained detailed technical provisions attached in annexes  May have technical provisions in associated  code  A member state which ratifies or accedes to a convention is obliged to give effect to it by  making it in national laws     Protocol: Are important treaty instruments made when major amendments are required to be made to a convention which though already adopted, has not entered into force.   
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