Unlike the MYTO distance based toll, the Slovak e-vignette is only registered using the vehicle’s license plate, not the characteristics of the vehicle (color, model, VIN, etc.) nor the operating person / vehicle owner.
Related articles:
How is the Slovak e-vignette checked?
What vehicles need a Slovak e-vignette?
Which roads require a Slovak e-vignette?
What is the MYTO distance based toll?
Can I buy the Slovak e-vignette for someone else (e.g. as a gift)?