Hong Kong Regulations

AIRPORT AUTHORITY BYLAW - SECT 23

Persons to keep animals under control

(1) Except for dogs in the service of the police or the Customs and Excise
Service of Hong Kong, or guide dogs accompanying persons with sight
disability, or animals which are to travel on, or unloaded from, an aircraft,
no person shall, without the permission of the Authority, bring any animal
into any part of the Bylaw Area.

(2) The person bringing the animal into the Bylaw Area shall at all times keep
the animal on a lead or carried in a proper cage or container or under control
by other appropriate means and shall not permit such animal to foul any part
of the Bylaw Area or to cause a nuisance or annoyance to other persons.