Changes made by 98/594/EC: Commission Decision of 6 October 1998 amending Council Decisions 79/542/EEC, 92/260/EEC, 93/195/EEC and 93/197/EEC, with regard to the animal health conditions for importation, temporary admission and re-entry of registered horses from Thailand (notified under document number C(1998) 2962)
EU Decision 1998/594
No changes made by 98/594/EC: Commission Decision of 6 October 1998 amending Council Decisions 79/542/EEC, 92/260/EEC, 93/195/EEC and 93/197/EEC, with regard to the animal health conditions for importation, temporary admission and re-entry of registered horses from Thailand (notified under document number C(1998) 2962) are recorded.
From legislation.gov.uk's record of changes, the official one: see it there.