federal insurance contributions actglossary / FEDERAL INSURANCE CONTRIBUTIONS ACT Federal Insurance Contributions Act. The federal act imposing the social-security tax on employers and employees. IRC (26 USCA) §§ 3101–3127. — Abbr. FICA. [Cases: Internal Revenue 4376, 4377.] 词条贡献者 双语律师Virginia,国内知名法学院民商法专业,擅长翻译各类与公司与并购相关的法律文件。