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For you and your family
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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

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Form 5558 Reminders

Plan sponsors and administrators use Form 5558 to request an extension of time to file Form 5500 series or Form 8955-SSA.

Do not list more than one plan

Do not list more than one plan on Form 5558. A separate Form 5558 must be used for each return for which an extension is requested, although a single Form 5558 may be used to extend the Form 5500 and Form 8955-SSA filed for the same plan.

The IRS will not process Forms 5558, Application for Extension of Time To File Certain Employee Plan Returns, requesting extensions for more than one plan or with attached lists of plans. 

Signature requirements

Extension requests for:

  • Form 5330
    The extension form must be signed by a:
    • Plan administrator
    • Employer,
    • Plan sponsor, or
    • An individual or authorized representative permitted to sign the Form 5330.
  • Form 5500 series or Form 8955-SSA extensions
    • The extension form doesn’t need to be signed.