The newly announced agreement between Israel and Lebanon marks a significant test for the Trump administration’s memorandum of understanding (MOU) with Iran, raising questions about its potential to prevent renewed conflict in the region, according to a U.S. government official. The deal permits the Israel Defense Forces (IDF) to maintain a presence in southern Lebanon until Hezbollah is disarmed and the Lebanese Armed Forces are capable of addressing the threat posed by the group, a move framed by the U.S. as reinforcing Lebanese sovereignty in line with the MOU’s objectives.

The arrangement, formalized earlier this year, aims to stabilize a volatile area by enabling Lebanon’s government to assert more control over armed factions in its territory, particularly Hezbollah, which Washington and Israel classify as a terrorist organization. The U.S. official emphasized that the deal reflects the decisions of both Israel and Lebanon as sovereign actors, suggesting that the agreement supports Lebanon’s authority rather than undermining it.

However, Iran has vehemently opposed this interpretation. In a recent statement, Iranian Foreign Minister Abbas Araghchi contended that the agreement violates the U.S.-Iran MOU, arguing that genuine sovereignty for Lebanon would require an immediate withdrawal of Israeli forces from areas occupied during prior conflicts. He asserted that until Israel pulls its troops, the hostilities have not formally ended, and the current deal fails to fulfill the MOU’s promise of respecting Lebanon’s territorial integrity.

The language of the MOU commits to “ensuring the territorial integrity and sovereignty of Lebanon,” yet the parties differ on what this entails. The U.S. maintains that the understanding is achieved through mutual respect for Lebanon’s government choices, including its decision to collaborate with Israel on security matters. Conversely, Iran maintains that sovereignty means an immediate and total removal of Israeli forces from Lebanese land.

The disagreement over the proper interpretation of Lebanese sovereignty within the framework of the U.S.-Iran agreement highlights the complexities involved in implementing diplomatic accords in the region. It places the latest Israel-Lebanon deal at the center of broader geopolitical tensions, with the potential either to advance stability or to deepen divisions. The Trump administration’s approach appears to rest on the premise that empowering Lebanon to confront Hezbollah and ensuring a controlled Israeli military presence could prevent escalation, contrasting with Tehran’s insistence on a strict interpretation that demands Israeli withdrawal as a precondition for peace.