You can only cancel an order when a vignette has not been registered in the official Bulgarian vignette system. Once the vignette is activated CHANGES or CANCELLATION can not be made.
In case you would like to cancel your order please contact our customer support team immediately. Please mention your order ID and license plate in the message.
Related articles:
Can I get a refund if I buy the wrong Bulgarian vignette?
How long is the Bulgarian vignette valid?
Where can I check the status of my Bulgarian vignette?
Do I get a confirmation email for my Bulgarian vignette order?