Article 2, paragraph 1, provides that only one category of reservation is permitted, namely one that reserves the right to apply the death penalty in time of war pursuant to a conviction for a most serious crime of a military nature committed during wartime.
但是，在某些情况下，例如涉及不歧视、禁止非人道待遇和尊重家庭生活等考虑因素时，外国人甚至可以享有入境或居留方面的公约保护。