Payment · common
なぜ中国での1回の取引後にカードがブロックされたのですか？
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⚠️ SYMPTOM
中国での最初のお買い物は成功するのに、2回目の試みで決済が拒否され、その後銀行から不正利用によるカード停止の通知が届きます。
🔍 MOST LIKELY CAUSE
海外のカード発行会社が、急激な地域変更や見慣れない中国のアクワイアラー加盟店を不正利用と判断し、1回目の承認後にカードを自動的に凍結してしまいます。
✓ HOW TO FIX
中国への渡航前に必ず銀行に旅行日程を伝え、海外からすぐに凍結を解除できるよう、国際コレクトコール番号を手元に控えておきましょう。
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