The Agreement on technical cooperationbetween ISO and CEN
(Vienna Agreement)

The Agreement on technical cooperation between ISO and CEN (Vienna Agreement) is an agreement on technical cooperation between ISO and the European Committee for Standardization (CEN). Formally approved on 27 June 1991 in Vienna by the CEN Administrative Board following its approval by the ISO Executive Board at its meeting on 16 and 17 May 1991 in Geneva, it replaced the Agreement on exchange of technical information between ISO and CEN" (Lisbon Agreement) concluded in 1989. The 'codified' Vienna Agreement was approved by ISO Council and the CEN Administrative Board in 2001.