If you read your link carefully, it says: "Low alcohol" -> 1.2% ABV (the threshold at which beer duty has to be paid) "De-alcoholised" -> 0.5% ABV "Alcohol f

If you read your link carefully, it says: "Low alcohol" -> 1.2% ABV (the threshold at which beer duty has to be paid) "De-alcoholised" -> 0.5% ABV "Alcohol free" -> 0.05% ABV "Non-alcoholic" -> "should not be used in conjunction with a name commonly associated with an alcoholic drink" except communion wine.