Parallèlement, le traité SALT 11 n'étant pas ratifié, il existe ce qu'on appelle un engagement d'honneur entre les États-Unis et l'Union soviétique, les deux pays s'étant engagé, mais de façon informelle, à respecter certaines dispositions du traité.
Similarly, with the unratified SALT II, there was what was also understood as gentlemen's agreements even though SALT II wasn't ratified; both the United States and the Soviet Union agreed, without being formal about it, that they would abide by certain provisions.