According to, HAC&HAT have the IMS (ISO 9001:2015, ISO 14001:2015 & OHSAS 18001:2007) audit as the integrated organization audit for HAC&HAT. We have to conduct the internal audit to determine whether the IMS is effectively implemented, maintained and conformed with the International Standard. We would like to inform you that we will have the internal audit as following projects and schedules: