FWIW I asked ChatGPT how long the process would take from DEA putting the rule out for public comment until it becomes an active rule:
> The entire process can take from a few months to several years, depending on the complexity of the issue, the volume of public feedback, and the urgency of the reclassification.
> The entire process can take from a few months to several years, depending on the complexity of the issue, the volume of public feedback, and the urgency of the reclassification.