The validity of a scratch card depends on the specific game and the rules of the jurisdiction in which it is sold. In general, scratch cards are valid for a specific period of time, which is typically stated on the card or in the rules of the game. Once the expiration date has passed, the scratch card is no longer valid and cannot be used to claim a prize.
The expiration date for a scratch card may be determined by a number of factors, including the end date of the game or the expiration of the game's license. Some scratch cards may also have a grace period after the expiration date during which they can still be redeemed for a prize, but this is typically not the case.
Players should be aware of the expiration date of their scratch cards and make sure to claim any prizes before the expiration date passes. In most cases, players will have to present the scratch card and any other required documentation to claim a prize, and they may be required to complete a claim form or follow other procedures to receive their prize.