The Global Outreach Report produced by CEN and CENELEC twice each year gives a good overview of the level of alignment between European and International standards.
The Vienna Agreement between CEN and ISO was signed in 1991. New standards projects are jointly planned between CEN and ISO.
Wherever appropriate priority is given to cooperation with ISO provided that international standards meet European legislative and market requirements and that non-European global players also implement these standards.
The Vienna Agreement:
Allows expertise to be focused and used in an efficient way to the benefit of international standardization. It is completed by jointly developed Guidelines supporting the practical implementation of the Vienna Agreement.
The first IEC-CENELEC Cooperation Agreement on common planning of new work and parallel voting was approved in 1991 and referred to as the Lugano Agreement.
The second version of the Agreement was approved by IEC and CENELEC in September 1996 and was referred to as the Dresden Agreement.
This third version of the Cooperation Agreement was approved in October 2016 and is referred to as the Frankfurt Agreement.