Changes made by Council Decision of 31 March 2011 on the signing, on behalf of the European Union, of the Hague Convention of 23 November 2007 on the International Recovery of Child Support and Other Forms of Family Maintenance (2011/220/EU)
EU Decision 2011/220
No changes made by Council Decision of 31 March 2011 on the signing, on behalf of the European Union, of the Hague Convention of 23 November 2007 on the International Recovery of Child Support and Other Forms of Family Maintenance (2011/220/EU) are recorded.
From legislation.gov.uk's record of changes, the official one: see it there.