Changes made by 90/541/EEC: Commission Decision of 26 October 1990 in accordance with Council Decision 90/511/EEC determining the countries to the companies or other legal persons of which legal protection of topographies of semi-conductor products is extended
EU Decision 1990/541
No changes made by 90/541/EEC: Commission Decision of 26 October 1990 in accordance with Council Decision 90/511/EEC determining the countries to the companies or other legal persons of which legal protection of topographies of semi-conductor products is extended are recorded.
From legislation.gov.uk's record of changes, the official one: see it there.