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@phoog Many immigration lawyers use the term, mainly in the case of work permits. A quick internet search returns the results for this term. As for the origins, I have no idea myself. You may want to look at meurrensonimmigration.com/flagpoling
What I'm confused about is the fact of their being a case of two drivers licences. In many places, holding two licences, even if one is invalid, can constitute as a offence criminally, or under a traffic safety act.
