Hunch. The proclamation asks his agriculture secretary and trade representative to tell him if the imports are not 25% cheaper, and no such notice is public.
The early end market resolves on the same page: YES if from 28 October to the end of 29 November 2026, Washington time, the president signs an act that closes or stops the extra lean beef trimmings quota before 30 November. A quota that closes because it is used up counts as NO, and Reuters and Al Jazeera reports settle it together if whitehouse.gov does not open.
We looked for cases where a US president eased limits on food imports for a fixed time, with the end date written in the act. We found seven such times from 1972 to 1981, mostly for meat and dried milk. Each time the president decided alone, and five of the seven were Richard Nixon.