Agreement Between the Government of the United States of America and the Government of Canada on Air Quality (mars 13, 1991)

Des pays/territoires	Entrée en vigueur	Ratification *
États-Unis d'Amérique	Mar 13, 1991	Mar 13, 1991 [6]
Canada	Mar 13, 1991	Mar 13, 1991 [6]

* [1] Ratification [2] Adhesion [3] Acceptation/approbation [4] Succession [5] Consentement à être lié [6] Définitive signature