Form 5558
IRS Application for Extension of Time To File Certain Employee Plan Returns — grants 2½-month extension for Form 5500-EZ.
Definition
Form 5558 is the IRS application that grants an automatic 2½-month extension for Form 5500-series returns when filed by the original due date. As of January 1, 2025, Form 5558 must be filed on paper to the IRS Ogden, Utah service center. A timely Form 5558 extends a calendar-year Form 5500-EZ deadline from July 31 to October 15.
Why it matters
For IRS Form 5500-EZ, this term helps decide which records, dates, values, or review questions belong in the packet.
How the tool uses it
Solo 5500 treats this as a review signal. The user enters the facts, checks the source-linked explanation, reviews the packet, and files through the official channel when the supported case still fits.
When to check the source
Check the official source when the answer depends on eligibility, late filing relief, official correspondence, valuation, or a fact you cannot verify from your own records.
Source and review date
Last reviewed: . Use the linked source for the official wording behind this term.
Official source: IRS About Form 5558