Changes made by Employers' Liability (Compulsory Insurance) Exemption 1992
S.I. 1992/3172
Made to Employers' Liability (Compulsory Insurance) Exemption 1971
1 change. All changes made by Employers' Liability (Compulsory Insurance) Exemption 1992
From legislation.gov.uk's record of changes, the official one: see it there.