That's not possible natively within Trello, but for automation like that, you might want to check out Butler for Trello at https://butlerfortrello.com/
That can perform certain actions based on pre-defined criteria, so you might be able to make that work there!
I work with a lot of really smart people, and chances are, you do, too! Our company encourages learning, even outside of things that relate to our jobs, so a friend of mine and I decided to find a wa...
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