Form 1040EZ was a simplified U.S. individual income tax return for qualifying taxpayers with relatively uncomplicated returns. Its final use was for tax year 2017.
For tax year 2018, the IRS retired Form 1040EZ and Form 1040A and introduced a redesigned Form 1040 structure.
Form 1040EZ was the narrowest old individual return
Form 1040EZ imposed tighter eligibility limits than Form 1040A or the full Form 1040. The exact restrictions varied by tax year, so an old summary of the rules should not be treated as timeless.
The important analytical distinction is between eligibility for a filing form and the tax law that creates the liability. Form 1040EZ was a reporting pathway for qualifying taxpayers, not a separate set of federal income-tax rates.
The old shortcut was an eligibility rule, not a tax-rate rule
A taxpayer could lose eligibility for Form 1040EZ because of facts that required a different form, such as the type of income, filing circumstances, deductions, credits, or dependents allowed under that year's instructions.
That did not mean the form itself created a special tax regime. The form determined which reporting path could be used for a return governed by the applicable tax law.
This distinction helps when comparing historical filings. A move from 1040EZ to another form can reflect a more complex return without, by itself, showing that the taxpayer moved into a different marginal tax bracket.
The 2018 redesign removed the form choice
Starting with tax year 2018, taxpayers no longer chose among 1040EZ, 1040A, and the longer 1040 in the old way. The redesigned Form 1040 became the core individual return, with schedules used when additional reporting was required.
That makes "Can I use 1040EZ?" a historical question. For a current return, the relevant research begins with the current Form 1040 instructions.
Use the tax year's own form when reading old records
Historical tax work should pair the form with the year it was filed.
An old Form 1040EZ may still be relevant for an amended return, a lender's archived documentation, a benefits or education record, or a longitudinal tax dataset. In each case, use the archived IRS form and instructions for that tax year.
The broader mechanics of rates, tax bases, credits, and incidence belong to taxation. Form 1040EZ is best understood as one retired administrative layer within that system.
Primary sources
- IRS: Five facts about the new Form 1040
- IRS: About Form 1040, U.S. Individual Income Tax Return
- IRS: Forms, instructions, and prior-year products
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