The CBA requires it for the first 3 bid months, for all new 4 crew sequences. Both CDG-HKG and HKG-CDG are new in April. Expect 1/3 cap/fo in July.

International Double Crew Provisions
A double crew for a 2-pilot aircraft shall be:
Scheduled: A double crew may be scheduled with 2 Captains and 2 First Officers or with 1 Captain and 3 First Officers, provided, however that for the first 3 bid periods during which a new lane segment is being developed, a double crew flying that lane segment shall consist of 2 Captains and 2 First Officers.