January 2012, South Korea part product category just self proclaimed (DoC) can sign KC sign,

DoC also known as Type 3 safe authentication, the manufacturer must according to applicable

Korea standard to test, and affix KC sign, Type 3 security authentication and Type 1 and 2 of the KC mark

difference in DoC Type 3 safe authentication KC sign does not need to sign issuing below the name of the entity.