Site: nolo.com
... Libyans who would enter as nonimmigrant visitors or business visitors on a B-1, B-2, or B-1/B-2 visa ... Yemenis who would enter as nonimmigrant visitors or business visitors on a B-1, B-2, or B-1/B-2 visa ... Chadians who would enter as nonimmigrant visitors or business visitors on a B-1, B-2, or B-1/B-2 visa ... 1, B-2, or B-1/B-2 visa. ... Libyans and Yemenis who have any nonimmigrant visa other than B-1, B-2, or B-1/B-2 are eligible for entry ...