Iranian Foreign Ministry says the US' response to the proposal from Iran was incomplete and insufficient

Iranian Foreign Ministry says the US' response to the proposal from Iran was incomplete and insufficient.

Rejection language of this kind, issued by a foreign ministry rather than a head of state, is a standard negotiating posture in US-Iran exchanges and has historically functioned to keep a channel open while signalling dissatisfaction with the other side's offer. The distinction that matters in past episodes is between a rejection that closes the process and one that invites a revised proposal: wording that calls a response incomplete rather than unacceptable has tended to sit in the former camp, implying talks continue on an extended timeline rather than break down. The market transmission channel in comparable rounds has run through crude, with the risk premium on the front of the oil curve and regional tanker insurance costs moving on perceived distance from any deal that would restore sanctioned supply. Who issues the next statement and at what level is the usual tell: escalation to senior leadership or military signalling has preceded genuine ruptures, while continued technical-level engagement has preceded interim understandings. Worth noting is whether mediators are referenced, as third-party involvement has typically marked the constructive phases of these negotiations.