Changes made by 1999/455/EC: Commission Decision of 22 June 1999 on the procedure for attesting the conformity of construction products pursuant to Article 20(2) of Council Directive 89/106/EEC as regards timber frame and log prefabricated building kits (notified under document number C(1999) 1483)
EU Decision 1999/455
No changes made by 1999/455/EC: Commission Decision of 22 June 1999 on the procedure for attesting the conformity of construction products pursuant to Article 20(2) of Council Directive 89/106/EEC as regards timber frame and log prefabricated building kits (notified under document number C(1999) 1483) are recorded.
From legislation.gov.uk's record of changes, the official one: see it there.