The uniform Schengen visa is the permission of a Schengen member state to pass through the desired area or stay there for a maximum of 90 days per half year for a specific time, whereby the date of entry is the beginning of this period.

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Depending on the purpose of the trip, the uniform Schengen visa includes both visa categories: "A" and "C".

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I. Category A:

Category "A" is an airport transit visa allowing the holder to stay in the international transit area of an airport in the Schengen area without entering the Schengen country.

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II. Category C:

Category "C" is a short-stay visa allowing the holder to stay in a Schengen state for a certain period, depending on the period of validity of the visa. Depending on the purpose of the trip, this special category may be granted in the following form:

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• The single visa or easy visa allows the holder an one-time entry into a Schengen country. The validity of the visa expires, when leaving the respective Schengen country, even if the approved length of stay for this country has not yet expired.

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• The double entry visa, also known as dual visa, is subject to the same conditions as a single visa but allows you to enter a Schengen state twice, which means that you can easily enter, leave and re-enter a Schengen state during the validity of your visa. As soon as you leave the country for the second time, the validity of the visa expires.

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• The multiple entry visa, also called multiple visa, allows the unlimited crossing of the state borders of a Schengen country. However, this visa allows the holder to reside within the Schengen area for a maximum of 90 days within a half-year, beginning with the date on which the state border between a Schengen member state and a third country was crossed.