The Large Business and International (LB&I) Division serves corporations, subchapter S corporations, and partnerships with assets equal to or greater than $10 million. 


Business types

A legal entity that is separate and distinct from its owners.

S corporation
Corporations that elect to pass corporate income, losses, deductions, and credits through to their shareholders for federal tax purposes.

A relationship existing between two or more persons who join to carry on a trade or business.

International taxpayers

International businesses
Tax information for foreign businesses with activities in the U.S. or domestic businesses with activities outside the U.S.

International individuals
Tax information for foreign persons with income in the U.S. or U.S. citizens and resident aliens with income outside the U.S.

LB&I programs and resources

Abusive tax shelters and transactions
The Internal Revenue Service has a comprehensive strategy in place to combat abusive tax shelters and transactions.

E-file for large and mid-size corporations
For tax years ending on or after December 31, 2006, corporations that have assets of $10 million or more are required to electronically file their 1120/1120-S income tax returns.  For tax years ending on or after December 31, 2007, foreign corporations with assets of $10 million or more are required to electronically file their 1120-F income tax returns.

Industry Issue Resolution Program
The Industry Issue Resolution (IIR) Program resolves frequently disputed or burdensome tax issues. IRS solicits suggestions for issues for the program from taxpayers, representatives and associations.

LB&I compliance campaigns
The campaign program allows LB&I to address significant compliance and resource challenges.

LB&I examination process
Publication 5125 provides an issue-based approach for conducting professional examinations from the first contact with the taxpayer through the final stages of issue resolution.

LB&I directives
LB&I Directives provide industry-related and administrative guidance to LB&I examiners to ensure consistent tax administration. The Directives do not establish Service position on legal issues and are not legal guidance.

LB&I technical resources and guidance
Coordinated issue papers, Industry Director guidance, audit technique guides and other documents provide technical information and guidance on complex tax law and administrative issues affecting the LB&I division and LB&I taxpayers.

Pre-filing Agreement Program
The Pre-Filing Agreement Program is expected to reduce taxpayer burden and make more effective use of IRS resources by resolving or eliminating tax controversy earlier in the examination process.

Preventing and resolving disputes
Learn about dispute resolution options for large business and international U.S. taxpayer.