material breach
Defined in 1 dictionary — U.S. Code
United States Code
42 U.S.C. § 2160e — in this section
The term "material breach" means, with respect to an agreement described in subsection (a), any breach of the agreement, or in the case of non-binding commitments, any failure to perform those commitments, that substantially—
(A) benefits Iran's nuclear program;
(B) decreases the amount of time required by Iran to achieve a nuclear weapon; or
(C) deviates from or undermines the purposes of such agreement.