The phrase "by International code" typically refers to something that is regulated or mandated by an international agreement or standard. There are many synonyms that can be used to convey a similar meaning, such as "in accordance with international regulations," "following international guidelines," or "as per global standards." Other phrases that could be used interchangeably with "by International code" include "by international law," "per international policy," and "in conformity with international norms." No matter which synonym is used, the phrase implies that the action being taken is being done in compliance with a larger, global framework.