Changes made by 77/554/EEC: Commission Decision of 4 August 1977 excluding from admission free of Common Customs Tariff duties the scientific apparatus described as 'MTS bi-axial seismic test equipment with electro-hydraulic servo mechanism'
EU Decision 1977/554
No changes made by 77/554/EEC: Commission Decision of 4 August 1977 excluding from admission free of Common Customs Tariff duties the scientific apparatus described as 'MTS bi-axial seismic test equipment with electro-hydraulic servo mechanism' are recorded.
From legislation.gov.uk's record of changes, the official one: see it there.