Changes made by 88/641/EEC: Council Decision of 19 December 1988 amending Council Decision 81/121/EEC on the granting of daily allowances to members of the Economic and Social Committee, alternates and experts
EU Decision 1988/641
No changes made by 88/641/EEC: Council Decision of 19 December 1988 amending Council Decision 81/121/EEC on the granting of daily allowances to members of the Economic and Social Committee, alternates and experts are recorded.
From legislation.gov.uk's record of changes, the official one: see it there.