Independent form guide. BrieflyGo is not affiliated with or endorsed by IRS, USCIS, SSA, DOL, or any U.S. government agency. Official forms are sourced from public government websites.
Official form guide
IRS Form 5308 is an application used to request an automatic extension of time to file certain IRS forms. It is filed when the original filing deadline cannot be met.
Need help with Form 5308?
Open it in the AI Editor for field guidance, checks, and PDF export.
Need help? AI Editor guides you through every field of Form 5308.
Start filling →Form Overview
IRS Form 5308 is an application used to request an automatic extension of time to file certain IRS forms. It is filed when the original filing deadline cannot be met.
Plain English
If you need extra weeks to get a required tax form to the IRS, you fill out Form 5308. It tells the IRS you’re asking for more time and explains why.
Submission Date
AI co-pilot
Form selector
Requesting extension for individual income tax return
Directly grants six‑month extension for Form 1040
✓ Verify filing deadline first
Extension for partnership return
Provides automatic 6‑month extension for Form 1065
✓ Confirm partnership status
Extension for exempt organization return
Grants 6‑month extension for Form 990 series
✓ Ensure organization qualifies
The extension request must arrive at the IRS before the original filing deadline of the form you are extending. If the deadline is unknown, consult the instructions for that specific form or contact the IRS.
Checklist
Filer identification
Social Security or EIN · Tax return or prior notice
Form being extended
Form number and year · Original filing notice
Reason for extension
Brief written explanation · None required
Signature
Authorized signature · Power of attorney if applicable
Field map
General Info
2 items
Full legal name and taxpayer identification number (SSN or EIN).
Current mailing address.
Details
2 items
Complete all applicable sections of this form according to the official IRS instructions.
Enter the relevant dollar amount if this form involves tax calculation.
Certification
1 items
Read and acknowledge any certifications required by this form.
Signatures
1 items
Sign and date. Unsigned forms cannot be processed.
Almost done reviewing the fields?
Fillable formOpen in Editor->Form 5308 is currently active for the 2024 tax year. Check the IRS website for any updates before filing.
Quick Facts
Downloads
Extension vs. automatic extension
Some forms already include an automatic extension period
→ Review the specific form’s instructions
Form number mix‑up
Using 5308 for a form that requires a different extension form
→ Verify required extension form
Mailing address error
Sending to the wrong IRS processing center
→ Double‑check address in the instructions
Signature authority
Assuming any employee can sign
→ Confirm signer is authorized or has power of attorney
Days requested exceed limit
Requesting 120 days when only 60 are allowed
→ Check statutory maximum for the underlying form
Workflow map
Before
Current
After
⚠ If something goes wrong
Source transparency
BrieflyGo links to and explains official public form sources. We are not a government agency, and this page is for general form guidance, not legal advice.
BrieflyGo reviews your contracts in plain English — instantly.