You are eligible to apply for an A-2 Foreign Government Official visa if you are
A civil/public servant employed by a foreign government or an international organization in a non-diplomatic capacity travelling on an official mission. For example, you are 1) An attaché of the diplomatic corps of a foreign government accredited by the government of the Republic of Korea. 2) An attaché of the consulate general of a foreign government accredited by the government of the Republic of Korea. 3) An employee of an international organization whose headquarter is located in the Republic of Korea 4) An international organization employee or a foreign government employee stationed at your Korean branch office for an official mission with the government of the Republic of Korea (Eligible applicants for 1) to 3) are NOT included.) 5) Sent by a foreign government or an international organization for an official mission with the government of the Republic of Korea (Eligible applicants for 1) to 4) are NOT included.) 6) An attendee of meetings hosted by international organizations
An immediate family member of the people listed above - Family members of the above 1) through 6) forming the same household