I emailed firstname.lastname@example.org
and simply wrote:
I’d like to apply for Gold Elite status. My Club Carlsson membership number is: xxxxxxxxx
About 4 hours later replied
Dear Mr. Mathias Aasyroem
Thanks for your inquiry.
Thank you for being a Red member!
Congratulations! I have upgraded your Club Carlson account to Silver Elite status effective immediately and expiring on February 28, 2019 (unless otherwise earned).
on December 31, 2017