Application Reference Number and Transaction Reference Number

Application Reference Number

Your application reference number is shown at the top left-hand corner of your latest visa, entry permit or extension of stay label attached to your travel document. 

(i) For Employment/Student/Residence/Dependant



(ii) For Foreign Domestic Helper


Foreign Domestic Helper

(iii) For Imported Worker


Imported Worker

You can also find the application reference number on the latest approval letter or acknowledgement letter from the Immigration Department.


Approval Letter or Acknowledgement

Approval Letter or Acknowledgement

Approval Letter or Acknowledgement

Transaction Reference Number

You can find the transaction reference number in the acknowledgement page of the online service after you have successfully submitted your application under the Admission Scheme for the Second Generation of Chinese Hong Kong Permanent Residents online.


Transaction reference number

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Last revision date: March 2021