Will this be a valid DAS 17,000 itinerary:

MEL-NRT (stopover)
NRT-CTS (surface sector; stopover CTS)
CTS-HKG (not sure whether this will be a stopover; I will be in HKG less than 24 hours, but overnight, so would need to collect my luggage and re-check in the next morning)
HKG-TPE (stopover)
TPE-HKG-SIN (transit through HKG; no stopover)
SIN-MEL

I am not certain of the operation of the provision in the Fare Rules which states "Only one interregional departure and one interregional arrival permitted in each region. Regions are defined as Northeast Asia/Southeast Asia/Southwest Pacific." I'm concerned that precludes my transits through HKG to TPE, as TPE is defined as Northeast Asia under the Fare Rules, so adding that to NRT and CTS would be more than one interregional departure and arrival. That said, HKG and SIN would equally be more than one interregional arrival and departure as well. The oneworld website gives an itinerary example of MEL-SIN-KUL-HKG-PEK-NRT-MEL. That's confused me as well, as SIN-KUL-HKG would give you two interregional arrivals (KUL and HKG).

Thanks for your assistance!