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material breach

Defined in 1 place of the United States Code.

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.

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