[KongchangAI]
Verified65% confidenceFactExact time

Chargeback(信用卡拒付)机制最早确立于1974年美国《公平信用账单法》,持卡人可在通常60–120天内向发卡行申请撤销付款

3
Sources
65%
Confidence
Long-term
Relevance
7/19/2026
First Seen

Sources

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MCP
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