contracting parties further agree to establish at the seat of
the League a mandatory commission to receive and examine the annual
reports of the mandatory powers, and to assist the League in insuring
the observance of the terms of all mandates.

ART. XX.--The high contracting parties will endeavor to secure
and maintain fair and humane conditions of labor for men, women, and
children, both in their own countries and in all countries to which
their commercial and industrial relations extend; and to that end agree
to establish as part of the organization of the League a permanent
bureau of labor.

[Sidenote: Transportation and commerce.]

ART. XXI.--The high contracting parties agree that provision
shall be made through the instrumentality of the League to secure and
maintain freedom of transit and equitable treatment for the commerce of
all States members of the League, having in mind, among other things,
special arrangements with regard to the necessities of the regions
devastated during the war of 1914-1918.

[Sidenote: International bureaus to be placed under League.]

ART. XXII.--The high contracting parties agree to place under
the control of the League all international bureaus already established
by general treaties, if the parties to such treaties consent.
Furthermore, they agree that all such international bureaus to be
constituted in future shall be placed under control of the League.

[Sidenote: Treaties to be registered with the League.]

ART. XXIII.--The high contracting parties agree that every
treaty or international engagement entered into hereafter by any State
member of the League shall be forthwith registered with the Secretary
General and as soon as possible published by him, and that no such
treaty or international engagement shall be binding until so registered.

[Sidenote: Reconsideration of treaties.]

ART. XXIV.--It shall be the right of the body of delegates from
time to time to advise the reconsideration by States members of the
League of treaties which have become inapplicable and of international
conditions of which the continuance may endanger the peace of the world.

[Sidenote: To procure release from obligations inconsistent with the
League.]

ART. XXV.--The high contracting parties severally agree that
the present covenant is accepted as abrogating all obligations inter se
which are inconsistent with the terms thereof, and solemnly engage that
they will not hereafter enter in