Breadcrumb Home Events Joint ECOWAS / OECD / UN Workshop on Negotiation of Tax Treaties (Part II) Joint ECOWAS / OECD / UN Workshop on Negotiation of Tax Treaties (Part II) This event has passed. 12 July 2022 - 13 July 2022 Virtual Tax Cooperation Related Documents 12-13 July 2022_Joint Event_final.pdf Upcoming Events Image 2026 SDG Investment Fair 21 April 2026 - 23 April 2026 UNHQ Image 2026 Financing for Development Forum 20 April 2026 - 24 April 2026 UNHQ Image ECOSOC Special Meeting on Credit Ratings 30 March 2026 - 30 March 2026 UNHQ