關於「Invalid CVV2」標籤，搜尋引擎有相關的訊息討論：

Request and Response Codes - Visa Developerdeveloper.visa.com › request_response_codesPayment method codes - Developer Engine - FISdeveloperengine.fisglobal.com › reference › usefultablesTroubleshooting a Decline CVV2/CID error - LED Factory Martwww.ledfactorymart.com › pages ›