Originally Posted by geclub1

To sign up for HK e-channel, one needs to have visited HK using that particular passport for 3 times.


Having ABTC card waives that "3 times" requirements. Certain airline elite status can also waive this.

This page says HKG needs to be listed on the back of ABTC. My US-issued ABTC was accepted, even though it does not have any endorsement.

http://www.immd.gov.hk/eng/services/..._visitors.html