
The order, effective from 9 June, bars entry from 12 nations, including Iran, Somalia, Sudan, and Haiti, citing national security and high visa overstay rates.
It also places partial visa restrictions on seven other countries.
Exemptions apply to green card holders, diplomats, and athletes involved in major international events.
While the administration defends the policy as a protective measure, it has drawn sharp criticism from human rights groups who call it discriminatory and politically motivated