IRS Large Business and International Division LB&I IRS Large Business and International Division IRS Large Business and International Division División de Grandes Empresas e Internacional del IRS División de Grandes Empresas e Internacional del IRS Division des grandes entreprises et des activités internationales de l'IRS מחלקת עסקים גדולים ובינלאומיים של ה-IRS आयकर विभाग का बड़ा व्यवसाय और अंतरराष्ट्रीय विभाग 米国内国歳入庁大企業・国際部門 Divisão de Grandes Empresas e Atividades Internacionais do IRS 美国国税局大型企业和国际部门 LB&I IRS Large Business and International Division The IRS Large Business and International (LB&I) Division serves corporations, subchapter S corporations, and partnerships with assets greater than $10 million. These entities typically have large numbers of employees, deal with complicated issues involving tax law and accounting principles, and conduct their operations in an expanding global environment.