The part that happened in May was the actual rule being formally proposed.
It [the formal rule proposal] is the next step in the rescheduling process begun by Biden in October 2022, and follows a recommendation by the Department of Health and Human Services in August to reclassify marijuana.
Ah, the article linked above seemed to say that he’d just begun the process this past May, but maybe I misread it. I will read it again.,
The part that happened in May was the actual rule being formally proposed.
https://www.politico.com/news/2024/05/16/biden-announces-marijuana-reclassification-00158408