office of tax shelter analysisglossary / OFFICE OF TAX-SHELTER ANALYSIS Office of Tax-Shelter Analysis. An office in the U.S. Internal Revenue Service responsible for identifying and investigating questionable tax shelters. • The Office was created in 2000. — Abbr. OTSA. 词条贡献者 译员海燕,毕业于法国顶尖的高级翻译学院,专注翻译各种与破产对抗诉讼有关的法律文件。