Integrated Management Systems surveillance audit of Nardis was conducted on 3, 7 and 8 december, 2019 based on ISO 9001:2015, ISO 14001:2015, ISO 45001:2018, ISO/TS 29001:2010 & E&P Forum HSEMS:1994 standards by SGS certification body and construction site in ACT project (Assaluyeh Condensate Storage Tank Farm (Excluding Tanks) and Metering systems) as well as head office was audited and previous certification were extended and occupational health and safety management system was upgraded to ISO 45001.