Information For...

For you and your family
Standard mileage and other information

Forms and Instructions

Individual Tax Return
Instructions for Form 1040
Request for Taxpayer Identification Number (TIN) and Certification
Request for Transcript of Tax Return


Employee's Withholding Allowance Certificate
Employer's Quarterly Federal Tax Return
Employers engaged in a trade or business who pay compensation
Installment Agreement Request

Popular For Tax Pros

Amend/Fix Return
Apply for Power of Attorney
Apply for an ITIN
Rules Governing Practice before IRS

Large Business and International Division At-a-Glance

The Large Business and International (LB&I) Division serves corporations, subchapter S corporations, and partnerships with assets greater than $10 million. These businesses typically employ large numbers of employees, deal with complicated issues involving tax law and accounting principles, and conduct business in an expanding global environment.

LB&I is organized into Support and Practice Areas.  Support elements use data analysis and an integrated feedback loop to support LB&I’s agile model. The Practice Areas study compliance issues within their area of expertise and suggest campaigns to be included in the compliance plan.

Headquarters and Support:

  • Assistant Deputy Commissioner, Compliance Integration
  • Assistant Deputy Commissioner, International
  • Program and Business Solutions

Practice Areas:

  • Cross Border Activities Practice Area
  • Enterprise Activity Practice Area
  • Pass Through Entities Practice Area
  • Treaty and Transfer Pricing Operations Practice Area
  • Withholding and International Individual Compliance Practice Area

Compliance Practice Areas:

  • Central Compliance Practice Area
  • Eastern Compliance Practice Area
  • Northeastern Compliance Practice Area
  • Western Compliance Practice Area

The LB&I Leadership and Organizational Information page provides access to more information about LB&I's operations, leadership team and the current LB&I organization chart.