Validity of Congressional-Executive Agreements That Substantially Modify the United States' Obligations Under an Existing Treaty

Validity of Congressional-Executive Agreements that Substan­ tially Modify the United States’ Obligations Under An Exist­ ing Treaty It lies within Congress’s power to authorize the President to modify substantially the United States’ domestic and international legal obligations under a prior treaty, including an arms control treaty, by making an executive agreement with our treaty partners, without Senate advice and consent. N o v e m b e r 2 5 , 1996 M e m o r a n d u m O p in io n for th e S p e c ia l A s s is t a n t to the P r e s id e n t and L e g a l A d v is e r to th e N a t io n a…