The decreto ingiuntivo within the meaning of Book IV of the Italian Code of Civil Procedure (Articles 633 to 656), together with the application instituting the proceedings, must be regarded as "the document which instituted proceedings or ... an equivalent document" within the meaning of Article 27(2) of the Convention of 27 September 1968 on Jurisdiction and the Enforcement of Judgments in Civil and Commercial Matters, as amended by the Convention of 9 October 1978 on the accession of the Kingdom of Denmark, Ireland and the United Kingdom of Great Britain and Northern Ireland.