Customers should independently inquire about the Austrian vignette. When traveling in Austria, it is the responsibility of the travelers to research and obtain information regarding the Austrian vignette. This can be done by visiting official websites, contacting Austrian traffic authorities, or referring to other reliable sources of information.

It is crucial to ensure that the correct type and validity period of the vignette are selected for the planned journey. Vignette regulations may change, and it is the travelers' responsibility to confirm that they comply with the current requirements to avoid penalties.

The official website of Austrian highways and expressways, or other official sources, typically provide accurate and updated information about vignette requirements and any changes in regulations.