tax homeglossary / tax home tax home. A taxpayer’s principal business location, post, or station. • Travel expenses are tax-deductible only if the taxpayer is traveling away from home. [Cases: Internal Revenue 3343.] 词条贡献者 译者成昱,毕业于世界顶级翻译学院,擅长翻译各种与集体诉讼相关的法律文件。