R. Szafarz، الحاشية 339 أعلاه، الصفحتان 315 و 316؛ وفي نفس المعنى، انظر José Maria Ruda, "Reservations to Treaties", RCADI 1975-III, vol.
Ibid., pp. 326-327; the author gives the example of the withdrawal by Portugal, in 1972, of its reservation to the Vienna Convention on Diplomatic Relations of 1961, art.