Treaty:

If a party has materially violated or breached its treaty obligations, the other parties may invoke this breach as grounds for temporarily suspending their obligations to that party under the treaty. A material breach may also be invoked as grounds for permanently terminating the treaty itself.

Please answer a question about this article. If the question is unanswerable, say "unanswerable". Who may invoke a material breach committed by a party to a treaty to suspend their obligations to that party?
the other parties