1 The trusteeship system shall apply to such territories in the following categories as may be placed thereunder by means of trusteeship agreements:
a. territories now held under mandate;
b. territories which may be detached from enemy states as a result of the Second World War; and
c. territories voluntarily placed under the system by states responsible for their administration.
2 It will be a matter for subsequent agreement as to which territories in the foregoing categories will be brought under the trusteeship system and upon what terms.