National Anthem
https://www.cmab.gov.hk/en/issues/national_anthem.htm
Constitutional and Mainland Affairs Bureau (CMAB) provides at its website information of our National Anthem, including the National Anthem Ordinance and official recording of the National Anthem.
Regional Flag
https://www.protocol.gov.hk/en/flags.html
The Protocol Division Government Secretariat of HKSAR Government (Protocol Division) provides at its website a brief introduction to, among others, Regional Flag and its usage. For details of the specifications for the Regional Flag, please refer to Schedule 1 of the Regional Flag and Regional Emblem Ordinance.
