By David Thompson · January 25, 2026

Sixt Sent Me an Incorrect Invoice 2 Months Later. I Disputed It.

Sixt sent an extra invoice 2 months after my rental. I had proof of return. They cancelled the invoice.

The lesson here is that most refund denials are not final. Companies have discretionary policies that allow exceptions, but they rarely advertise them. The key is knowing which policy to reference and how to frame your request.

If you are dealing with a similar situation with Sixt Sent Me, do not accept the first denial. Research their refund policy, find the specific clause that supports your case, and write a professional appeal referencing it. That single step can turn a “no” into a “yes.”

I use LaimRefund to do this research automatically. It searches the platform’s policies and relevant consumer laws, then drafts a professional appeal letter. Free to check your odds, only $3.99 to unlock the full letter.

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