With regard to the question concerning the rules of interpretation applying to unilateral acts, there is a tendency to apply to them the principles of interpretation referred to in articles 31 to 33 of the Vienna Convention on the Law of Treaties.
关于解释规则适用于单方面行为的问题，有一种趋势倾向赞成将《维也纳条约法公约》第31至33条所述解释原则应对它适用。