The requirements laid down in Articles 10, 11 and 12 of the Nationality Law of the People's Republic of China are as follows:

Article 10

Chinese nationals who meet one of the following conditions may renounce Chinese nationality upon approval of their applications :

1. they are near relatives of foreign nationals;
2. they have settled abroad; or
3. they have other legitimate reasons.

Article 11

Any person who applies for renunciation of Chinese nationality shall lose Chinese nationality upon approval of his application.

Article 12

State functionaries and military personnel on active service shall not renounce Chinese nationality.

Appendix

If you are a Chinese national, you can renounce your Chinese nationality if

• you are a Hong Kong resident or were a Hong Kong resident immediately before you emigrated to another country; and
  
• you are of sound mind; and
  
• you are the spouse or child of a foreign national and are required under the law of that country to renounce your Chinese nationality before you can naturalize as a national of that country; or
  

you have emigrated to and settled in another country and are required by law of that country to renounce your Chinese nationality before you can naturalize as a national of that country; or

you have been adopted by a foreign national and are required under the law of your adoptive parent's country to renounce your Chinese nationality before you can naturalize as a national of that country.

Your application may also be considered if you have other legitimate reasons.

Important Note :
If you are required to give up your Chinese nationality before you can acquire a foreign nationality, you should apply for renunciation of Chinese nationality. If you have already acquired a foreign nationality with right of abode in that foreign country and you wish to be treated as a national of that country in the HKSAR, you should make a declaration of change of nationality to the HKSAR Immigration Department. Complete Form ID869 or ID870 as appropriate.