original sourceglossary / ORIGINAL SOURCE original source. The person or persons who first disclosed fraud to the government, derived from direct and indirect information on which a qui tam complaint is based under the False Claims Act or a similar state law. 词条贡献者 译员张宏,知名法学院法律翻译专业,专注翻译各种与调查与白领犯罪辩护有关的法律文件。