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In Portugal, the labels’ content is regulated and supervised by wine committees. The information contained in the label varies according to the type of wine. However, some elements are common to all labels, since the labelling rules derive from European Union legislation.

Denomination of Controlled Origin Regional Sparkling Port  
Brand
Commercial name for the wine.
Region
Geographical origin of the wine.
Type of wine
Possible types are: white, rosé and red. Regarding sugar, the wine can be dry, semi-dry, semi-sweet or sweet.
Regional Wine
Wine classification.
Bottler
Who bottled the wine and where.
Harvest date
Year in which the grapes were harvested.
Batch number
Code used to identify the production number of a certain product packed under the same conditions.
Alcohol content
Litres of alcohol per 100 litres of wine.
Portugal
The origin of the product. In this case, it has to be a product of Portugal.
Bottle capacity
Amount of wine in the bottle.
Ingredientes
Presence of certain ingredients in wine, namely sulphites.

 
Português