it's effective nearly immediately too, and applies to all entries, not just applications

> the effective date of this proclamation, which shall be 12:01 a.m. eastern daylight time on September 21, 2025

anyone on a visa who happens to currently out of the country has ~24 hours to get back without a $100,000 bill

if you're in the states, you won't be removed, but you cannot leave and re-enter without paying up