Vienna Agreement
Standardization of hydraulic and thermal machines

In June 1991, a formal agreement known as the "Vienna Agreement" was signed by CEN and ISO for liaison, cooperation and information exchange.

As part of this agreement, CEN reaffirmed the primacy of international standardization work and undertook to avoid duplication of activities and to use the results of international work wherever possible. However, it was recognized that CEN examines all requests for standardization and chooses, based on the opinions of CEN stakeholders, from among the following possibilities:

• submission of an existing document as a draft European standard;

• a request to ISO to develop a standard on a specific subject;

• using an associated organization to develop a project ;

• the development of the...