[171] 2016.09.05 KT should return surtaxes that have been imposed since 2011
#524, #525, 47, Sejong-daero 23-gil, Jongno-gu, Seoul (Postal code: 03182)   TEL 82-2-774-4050   FAX 82-2-774-4090   E-mail: sohyub@consumer.or.kr