Dear Jacky Cheung, Thank you for visiting the KOSIS website. The codes of the 9th revision of KSIC for the two industries are as follows.: - Communication: 61 - Publishing; broadcasting; movie; information service: 58, 59, 60, 62, 63 Please find the PDF file of "Korean System of National Accounts" in English on the following webpage.: https://www.bok.or.kr/eng/bbs/E0000746/list.do?menuNo=400228 Contact the Bank of Korea responsible for statistical production for further details. Thank you.