Norwegian Audit Bureau of Circulations

The Norwegian Audit Bureau of Circulations (Norwegian: Norsk Opplagskontroll AS) is a company that monitors the print runs of Norwegian newspapers, magazines, and weekly publications, and offers advice on calculating circulation numbers. It was established in 2001 and is owned by: The Norwegian Media Businesses' Association (MBL), which represents the country's largest newspapers and a number of magazines and magazines.

Source: Wikipedia — Norwegian Audit Bureau of Circulations (CC BY-SA 4.0)