The Members of the League severally agree that this Covenant is accepted as abrogating all obligations or understandings inter se which are inconsistent with the terms thereof, and solemnly undertake that they will not hereafter enter into any engagements inconsistent with the terms thereof.
In case any Member of the League shall, before becoming a Member of the League, have undertaken any obligations inconsistent with the terms of this Covenant, it shall be the duty of such Member to take immediate steps to procure its release from such obligations.
The Covenant of the League of Nations (1919), The Paris Peace Conference (Allied and Associated Powers). A treaty text published in 1919 with no individual author, so in the public domain in the United States by age. Provenance and rights.