Changes made by 88/66/EEC: Commission Decision of 22 December 1987 amending Decision 87/257/EEC on the list of establishments in the United States of America approved for the purpose of importing fresh meat into the Community
EU Decision 1988/66
No changes made by 88/66/EEC: Commission Decision of 22 December 1987 amending Decision 87/257/EEC on the list of establishments in the United States of America approved for the purpose of importing fresh meat into the Community are recorded.
From legislation.gov.uk's record of changes, the official one: see it there.