Limit Tag to one Group

I would like to add a specific Tag (ToReview) only to certain top level folders, that have been set to “Inherit Tags from Groups”. I would like the folders to pass all Tags down to associated files & folders, except for this one Tag. Is there any way to stop a single Tag from being passed to underlying Groups?

Workaround 1: Add Group to Favorites - problem: I can’t see GetInfo from Favorites for the Group. (See GetInfo from Favorites would be feature request)

Workaround 2: Add Custom Metadata field - slight problem: not as easy to apply to the Group as applying a Tag. But it does solve my need.

Although I still would like to find out a way to Limit Tag to one Group.

There’s no such possibility. Either tags are always inherited or never.