I wrote a check to a merchant. How do I make sure I don’t get charged twice?

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I wrote a check to a merchant. How do I make sure I don’t get charged twice?

If you are worried that someone may have charged you twice for a check, review your transactions through your bank or credit union’s online banking system or your statement.

If you believe a check was paid twice, contact your bank or credit union. You have some important additional protections if your check was converted into an electronic funds transfer.