What is the purpose of the Corporate Governance Code of the Hong Kong Listing Rules?

ID : 1867
Long answer : The Corporate Governance Code sets out mandatory disclosure requirements and principles of good corporate governance, including code provisions and recommended best practices. (Source: https://en-rules.hkex.com.hk/sites/default/files/net_file_store/HKEX4476_3828_VER36626.pdf)
Short answer : To set mandatory disclosure requirements and principles of good corporate governance.
answer 2 : To regulate stock market trading.
answer 3 : To provide tax guidelines.
answer 4 : To manage employee benefits.