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Form I-9, Employment Eligibility Verification - Jobs.irs.gov
The date employment begins. Employers must sign and date the certification in Section 2. Employees must present original documents. Employers may, but are not
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When to file | Internal Revenue Service
Calendar year filers (most common). File on: April 15, 2024 Fiscal year filers. File on: The fourth month after your fiscal year ends, day 15. Need more time?
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Form 3921 (Rev. October 2017)
If you file electronically, the due date is March 31 of the year following the year of exercise of the ISO.
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