Walter Keiniger and Fernando Vaquero gave a presentation on “Payments to non-residents for technical assistance and other items” at the Meetings on International Taxation organized by the Asociación Argentina de Estudios Fiscales on October 6, 2005. At these meetings Fernando Vaquero also gave a presentation on “International Financing” on October 13 and Walter Keiniger on “Electronic Commerce” on October 27, 2005.