His country also subscribed to the principle pacta sunt servanda in international law, in particular as articulated in article 26 of the Vienna Convention on the Law of Treaties, which based the implementation of obligations upon good faith.
菲律宾还赞成国际法中的条约必须遵守原则，特别是遵守《维也纳条约法公约》第26条的规定，该条规定履行义务的基础是诚意。