The suspension took effect April 16, 2007 after warnings from the American Nurses Association (ANA).
According to a report by korean news website ChoSun Ilbo, three (3) korean nurses leaked exam questions in the website of a private school in Korea after taking the test in March.
The test results of the three koreans were also nullified.
Korea's capital, Seoul, became an international testing center for NCLEX in January 2005.
The NCSBN, in February, chose the Philippines as the newest international testing center for the US nursing licensure exam after the asian nation satisfied all security policies and procedures required in the conduct of the exam.