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January 15, 2026

What Does “SEC Violation” Mean on Your Credit Card Terminal?

What Does “SEC Violation” (Code 63) Mean on Your Credit Card Terminal? SEC Violation—or “Security Violation” code 63—is an ISO...
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January 15, 2026

The Ultimate Directory of Credit Card Decline Codes for Merchants

Decline codes are two- or three-digit alphanumeric codes returned by the issuing bank, processor, or payment network when a transaction...
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