Not directly, but you could find/write a validator that would check it on transitions, and the behaviours functions in the script runner addon might be able to do it on the client side as users enter data (I've not tried that myself, so I'm not sure)
I’m a designer on the Jira team. For a long time, I’ve fielded questions from other designers about how they should be using Jira Software with their design team. I’ve also heard feedback from other ...
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