Members can enjoy the benefit as Extend Remainder.
Status Miles accumulated between the dates after reaching card tier upgrade and the start of new card validity will counted toward extending same card tier for the first time and can be kept for 2 years.
Example:
A Green Card member reaches card tier upgrade to Silver Card after taking April06,2020 BR12(TPE-LAX), the new Silver Card will effective from May2020. Flights taken between April 07, 2020 and April 30, 2020, Status Miles can be counted toward extending same card tier for the first time.