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 译者Jeffrey,毕业于国内一流的高级翻译学院,擅长翻译各种与首次公开发行/其他股权或债务发行相关的法律文件。