Originally Posted by
sydneyracquelle
The clock for the companion cert started when you got the Gold as it was an upgrade.
The companion certificate is issued for the card held immediately proceeding the assment of the renewal annual fee. It's possible, for example, to hold the platinum card for 11 months, upgrade at the last second to reserve and be rewarded with the reserve certificate. (not that I would recommend this unless you've previously held the reserve card for SUB purposes.