Iranian MP says Caspian Sea is 'not negiotable', reports Fars

The Caspian's legal status has been contested since the Soviet breakup, with littoral states historically splitting between treating it as a sea under maritime convention, which yields national sectors and subsea rights, or as a shared lake, which implies common resource access. A convention among the five littorals settled part of this but deliberately left seabed delimitation and bilateral boundaries unresolved, which is where Iranian objections of this kind tend to surface. Statements via Fars, a semi-official outlet aligned with the security establishment, are a familiar channel for signalling red lines rather than announcing policy shifts, and prior episodes of this kind have produced rhetoric without altering shipping, pipeline, or energy flows. The substantive stakes are transit routes and hydrocarbon rights in the northern and central Caspian rather than any near-term supply disruption; Iran's own output does not route through the Caspian, so the read-through to crude is indirect at most. What is worth noting is whether the remarks attach to a specific negotiation or delimitation dispute with a neighbouring littoral, which would give them operational content, versus standing as generic domestic positioning, which has been the more common pattern.