Please be informed that to improve our service, we will perform scheduled website maintenance from 12:10 p.m. until 12:30 p.m. on Friday, May 24, 2019. During that time, our website will be temporarily unavailable, and we ask for your understanding in this regard.

Maintenance Schedule: Friday, May 24, 2019 (12:10 p.m. to 12:30 p.m.) 

o ACH Wesite: www.ach.or.kr