Changes made by 97/340/JHA: Council Decision of 26 May 1997 on the exchange of information concerning assistance for the voluntary repatriation of third-country nationals
EU Decision 1997/340
No changes made by 97/340/JHA: Council Decision of 26 May 1997 on the exchange of information concerning assistance for the voluntary repatriation of third-country nationals are recorded.
From legislation.gov.uk's record of changes, the official one: see it there.