Scope: Federal
Branch: Executive
Severity: Amber
Date occurred: September 18, 2026
A presidential proclamation titled "Restriction on Entry of Certain Nonimmigrant Workers" was signed on September 18, 2026 and published in the Federal Register on September 23, 2026. The proclamation restricts the entry of specified categories of nonimmigrant workers into the United States.
Constitutional basis: Section 212(f) entry-suspension power, settled for security-based bans, applied to employment-based nonimmigrant categories Congress created by statute — an aggressive extension.