Regulations on the Permission and Administration of the Employment of Foreign Workers Article 19
In accordance with the provisions of Article 17 or Article 18-1, type B foreign workers employed by the employer must possess the same specialty or qualifications required by the employer when conducting domestic recruitment. When necessary, the Central Competent Authorities may re-examine the specialty or qualifications of type B foreign workers and those who fail such a reexamination will not be issued a permit.If an employer utilizes selection testing as part of domestic recruitment then when registering job openings he/she is required to submit the testing criteria and hiring conditions to the public employment services agency in charge of registration for reference purposes. The agency will specify a date on which the test will be conducted and also invite experts with the required expertise to witness the test.The aforementioned testing criteria and hiring conditions will be announced by the Central Competent Authorities based on category of work.