Table of contents
1. An overview of the current state of the multilateral diplomacy of the Holy See. Preliminary notes on a sui generis international "presence": from subjectivity to role - 2. Multilateral papal diplomatic representation: from the presence "of witness" to active participation - 3. On the established practice of joining the so-called «Mechanisms of participation» (OECD) and on the methods of forming consensus on issues of protection of human rights and ethically sensitive issues - 4. A periodic summary of the presence of apostolic diplomacy in international organizations. The 1970s and 1980s: from Montini's caution to the anthropological decisionism of John Paul II - 5. The change of pace in Vatican diplomatic practice: the use of Interpretative Notes as a corrective and formal dissociation tool for the Holy See from adopting non-choices ethically shareable - 6. Between the pontificates of Benedict XVI and Francis - 7. The paradigm of neutrality in the tendential expansion of themes coinciding with the missio of the universal Church. On the concrete hypothesis of a juridical "third order" of positioning of relations between the Holy See and international organizations. Conclusions

Abstract
The paper examines the multilateral diplomacy of the Holy See and its institutional transition from a testimonial role to an active participation in international multilateral practice through a presence-based strategy which does not, however, renounce its character of neutrality even in the event of serious international crises.