Useful links collected to answer such questions as:
- What do the codes on my HKID card mean?
Symbol Description
*** The holder is aged 18 or over and is eligible for a HKSAR Re-entry Permit
* The holder is aged between 11 and 17 and is eligible for a HKSAR Re-entry Permit
A The holder has the right of abode in the HKSAR
C The holder’s stay in the HKSAR is limited by the Director of Immigration at the time of registration of the card
R The holder has the right to land in the HKSAR
U The holder’s stay in the HKSAR is not limited by the Director of Immigration at the time of registration of the card
Z The holder’s reported place of birth is Hong Kong
X The holder’s reported place of birth is the Mainland
W The holder’s reported place of birth is Macau
O The holder’s reported place of birth is in other country or region
B The holder’s reported date of birth or place of birth has been changed since first registration
N The holder’s reported name has been changed since first registration.
Note: The digit or alphabet in brackets is not part of the identity card number. It is used to facilitate computer data processing.
Ref:
http://www.immd.gov.hk/eng/services/hkid/smartid.html
- What does Right of Abode and other terms mean?
http://www.immd.gov.hk/eng/services/roa/term.html
- Do I need to go to Hong Kong every three years to keep my permanent ID?
This is more difficult to answer but a good general guide is:
http://www.sm128c.com/hk/
You can read a long thread on it at:
https://www.facebook.com/groups/114215311922690/permalink/1478140062196868/