Iran is creating a vetting system for transit through the Strait of Hormuz.

The evolving geopolitical landscape surrounding the Strait of Hormuz presents both challenges and opportunities for global shipping routes. As Iran introduces a new vetting system for vessels navigating these critical waters, countries reliant on this passage—such as India, Pakistan, and China—are actively engaging with Tehran to secure safe transit, underscoring the complex web of diplomacy and trade in the region. This situation not only affects energy markets but also raises important questions about maritime safety, international commerce, and the delicate balance of power in the Middle East.
Iran is establishing a vetting and registration system for ships moving through the Strait of Hormuz, marking a significant shift in its maritime strategy as it enacts a “selective” blockade of this crucial waterway, according to reports from Lloyd’s List. Several nations, including India, Pakistan, Iraq, Malaysia, and China, are currently involved in direct negotiations with Tehran to navigate its territorial waters, reflecting the strategic importance of this passage amidst ongoing regional tensions.
Under the new arrangement, vessels seeking passage will be scrutinized on a case-by-case basis, with the Islamic Revolutionary Guard Corps (IRGC) developing a structured vetting process. Ships are required to supply detailed information regarding their ownership and cargo destinations well in advance, a task handled by Iran-affiliated intermediaries located outside of Iran. This rigorous new protocol comes as Iranian officials reaffirm their commitment to safeguarding the Strait, with Foreign Minister Abbas Araghchi clarifying that it remains “open, but closed to our enemies,” a notable de-escalation from earlier IRGC statements threatening vessels attempting to navigate these waters.
The economic implications of this shift are profound, as traffic through the Strait has significantly decreased—by 95 percent—following hostilities involving the United States and Israel over the last three weeks. This reduction poses serious challenges for global energy markets since approximately 20% of the world’s oil passes through the Strait, linking the Gulf with the Gulf of Oman.
Maritime tracking data suggests that a limited number of ships have successfully traversed the Strait since the initiation of the blockade, primarily those flying flags from Pakistan, India, or China. However, the risk of potential attacks has prompted some vessels to deactivate their automatic identification systems (AIS) or to emphasize their Chinese associations when dealing with Iranian authorities.
Recently, a “safe” corridor has been established within Iranian waters, allowing at least nine ships to pass unhindered. Reports indicate that one tanker paid a substantial fee of million for this passage, raising questions about the economic feasibility of future transits under similar conditions.
Experts weigh in on the new registration system, with international trade and maritime law authority Alex Mills noting its potential to provide a temporary solution for select countries. However, he cautioned that in the long term, the approach may not be sustainable. Mills emphasized that the traditional practice of “going dark” in Iranian waters increases security risks for vessels, especially during periods of conflict.
Despite possible opportunities for companies to engage with the new transit options, concerns remain prevalent regarding insurance, operational safety, and compliance with existing sanctions. Mills articulated skepticism on whether the initiative alone would encourage vessels to operate in the region, stressing that significant adjustments to maritime supply chains are planned well in advance, complicating swift changes in routing.
As global shipping companies continue to navigate this precarious scenario, the path forward remains uncertain, with many stakeholders closely monitoring the Iranian maritime landscape for future developments that may shape the dynamics of international trade and energy supply.
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