The sanctions relief Washington was reported to be offering Tehran was followed by a denial. Financial Express reported that Trump is open to easing sanctions on Iran, conditional on nuclear progress, as mediators try to revive stalled talks. By 28 September, US News was reporting that Trump denies offering sanctions relief for nuclear concessions at all.

The denial and the offer can both be true, or, more precisely, both can be said, because the sequencing is the whole dispute. Relief after nuclear steps is a reward. Relief for nuclear concessions is a trade, and a trade is what Tehran's negotiators can carry home and Washington's critics can attack. Trump has now been on the record with each version.

The instrument at stake is the sanctions regime itself, and the ledgers it lands on are not in Washington or Tehran. China is the main buyer of Iranian crude, which is common knowledge, so any easing or tightening is booked first by the Chinese refiners and the banks that settle those cargoes. A sanctions position that changes twice gives those desks nothing to reprice against. It gives them a range.

The war supplies the rest of the schedule. CBS marks seven months of fighting and says Trump told Axios he expects talks to resume, while neither side has signalled any willingness to change its demands. An expectation from one principal, with both sets of demands unchanged, is a forecast about scheduling and says nothing about substance.

The reporting is silent on what mediators are carrying between the parties, and that gap is where the relief question sits. If relief is conditional on nuclear progress, the nuclear steps come first and the desks handling Iranian barrels wait. If it is a concession offered to bring Tehran to the table, they may not. Washington has said both.

For the refiners and settlement banks in China, the answer arrives when the mediators produce a date for the resumed talks. Until then the sanctions position on their books is whichever of Trump's two statements is more recent.