Changes to Agricultural or Forestry Tractors and Tractor Components (Type Approval) 1989
S.I. 1989/2275
Made by Agricultural or Forestry Tractors and Tractor Components (Type Approval) 2000
1 change. All changes to Agricultural or Forestry Tractors and Tractor Components (Type Approval) 1989
From legislation.gov.uk's record of changes, the official one: see it there.