Common Reporting Standard (CRS) is released by The Organization for Economic Cooperation and Development (OECD) and G20, it provides a guideline for participating tax jurisdiction to exchange tax resident's financial account information regularly.

CRS is a worldwide information-gathering and reporting requirement for financial institutions, aims to increase tax transparency and combats cross-border tax evasion.

Please check out the video to learn CRS.  For details please refer to websites of Hong Kong Inland Revenue Department and OECD.