Green card

Green card may refer to:

Permanent residence (United States), known informally as a green card
Green Card (film), a 1990 movie whose title refers to the American document above
Green card (IBM/360), colloquial name for the IBM System/360 Reference Summary booklet in the 1960s
Green card system for international motor insurance certificates
In field hockey, a green card signals a warning to a player, less severe than a yellow card.
In Pride Fighting Championships, a penalty for an illegal action which results in a restart and a 10% reduction of the fighter's purse
The Greencards, a bluegrass/folk music band

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