On 19 September 2016, in the United Nations Office in New York, Cardinal Secretary of State Pietro Parolin formally deposited the instrument of accession to the Holy See in the United Nations Convention against Corruption, adopted by the General Assembly of the United Nations on 31 October 2003. In expressing its consent to the obligations of this treaty, also on in the name of and on behalf of Vatican City State, the Holy See formulated two reservations and three interpretative declarations, which constitute an integral part of the instrument of accession.

Therefore, pursuant to Article 68, paragraph 2 of the same Convention, which provides for the adoption of effective measures to prevent and combat crimes committed in the field of public functions, it will enter into force for the Holy See and for Vatican City State this coming 19 October.