Frequent flyers with the airlines below can skip the "three-visits" requirement by producing their frequent flyer card, a Hong Kong Immigration spokesperson confirmed to Australian Business Traveller:

Air Canada, Air China, Air France, Air New Zealand, ANA, Asiana Airlines, British Airways, Cathay Pacific, Dragonair, China Airlines, China Southern, Delta, Ethiopian, Eva Airways, Finnair, Hainan Airlines, Hong Kong Airlines, Hong Kong Express, Japan Airlines, Jet Airways, Kingfisher, KLM, Korean Air, Lufthansa, Malaysia Airlines, Philippine Airlines, Qantas, Qatar Airways, Royal Brunei, Singapore Airlines, Swiss, Thai Airways, United, and Virgin Atlantic.

Check whether your particular Silver/Gold/Platinum tier is eligible.