S.I. No. 118 of 2009 provides that Cassa di Compensazione e Garanzia S.p.A. is designated as a recognized clearing house for the purposes of section 75A (inserted by section 109 of the Finance Act 2007 (No. 11 of 2007)) of the Stamp Duties Consolidation Act 1999.
S.I. No. 118 of 2009 is available here