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

Correcting Plans Errors - Find Plan Errors

Keeping a watchful eye on the retirement plan your business sponsors to help employees prepare for their retirement years is just smart business practice. Employees are counting on the benefits promised by the plan and protecting these tax benefits is an important duty assumed by business owners when they adopt a retirement plan.

  • Fix-It Guides
    Tips on correcting errors in 401(k), 403(b), SEP, SIMPLE IRA and SARSEP plans.
  • Check-Ups
    To help plan sponsors understand the requirements of 401(k), 403(b), SIMPLE IRA, SEP and similar retirement plans.
  • Fixing Common Plan Mistakes
    Common mistakes that happen in retirement plans and how to spot the problem in your plan.
  • A Guide to Common Qualified Plan Requirements
    A list of some important retirement plan requirements to help you implement practices, procedures and internal controls to monitor plan operations.
  • Types of Plans
    Information on the various types of plans available, how they work and the benefits of having a retirement plan.

Found a mistake or problem in a retirement plan? Learn how to fix plan errors and avoid future errors.