Changes made by 90/683/EEC: Council Decision of 13 December 1990 concerning the modules for the various phases of the conformity assesment procedures which are intended to be used in the technical harmonization directives
EU Decision 1990/683
No changes made by 90/683/EEC: Council Decision of 13 December 1990 concerning the modules for the various phases of the conformity assesment procedures which are intended to be used in the technical harmonization directives are recorded.
From legislation.gov.uk's record of changes, the official one: see it there.