Changes to 92/20/EEC: Commission Decision of 12 December 1991 Amending Decision 90/541/EEC determining the countries to the companies or other legal persons of which legal protection of topographies of semiconducteur products is extended
EU Decision 1992/20
No changes to 92/20/EEC: Commission Decision of 12 December 1991 Amending Decision 90/541/EEC determining the countries to the companies or other legal persons of which legal protection of topographies of semiconducteur products is extended are recorded.
From legislation.gov.uk's record of changes, the official one: see it there.