Originally Posted by
flying_pig
It actually works (I mistakenly renominated someone I had already given a gold card to). The nominated cardholder gets an email saying "As you're already a Gold Member, this means that at the end of your current membership year, you'll automatically remain at the Gold tier for another 12 months. At the start of your new membership year, your Tier Points will be set to zero. However, your Avios will still be there [...]".
That would be a new development,
flying_pig, as I have certainly been unable to do so in the past.
Although honestly I can't remember if I was trying to do it over the telephone or via the online nomination.
Are you able to share when you did this?