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
Form 13424A: 13424-A
IRS Form 13424A is an attachment form used to provide additional information for specific tax situations. It supplements a main form when extra details are required beyond what fits in the primary document.
Need help with Form 13424A?
Open it in the AI Editor for field guidance, checks, and PDF export.
Need help? AI Editor guides you through every field of Form 13424A.
Start filling →Form Overview
IRS Form 13424A - 13424-A
IRS Form 13424A is an attachment form used to provide additional information for specific tax situations. It supplements a main form when extra details are required beyond what fits in the primary document.
Risk Radar
Scan points- 1Using the wrong edition date or version of this form can result in rejection or processing delays.
- 2Incorrect calculation of supplemental figures
- 3Mismatched information between main form and attachment
- 4Missing supporting documentation
- 5Using an outdated version of the form
Plain English
This form helps taxpayers give the IRS extra information needed for their tax situation. It works with another main form to ensure all necessary details are included in your tax filing.
Submission Date
- Filing date: 2016-08-26 00:00:00
- Preparation window: collect IDs, supporting records, and signatures in advance.
- Final review: verify names, dates, and required fields before submission.
AI co-pilot
Fill it faster. Catch mistakes before you file.
What this form is for
- Use this form when specifically instructed by the IRS or when required for your tax situation
- Do not use this form as a standalone document
- Check another form if your tax situation doesn't require supplemental information
Form selector
Use this form or another form?
Different tax situation
Why it matters
✓ Check IRS guidelines for your specific case
Electronic filing
Why it matters
✓ Verify electronic compatibility before proceeding
Deadline or filing window
The deadline for filing this form aligns with the deadline for the main form to which it's attached. If filing as a response to an IRS notice, the deadline will be specified in that notice. Unknown for general filing without specific context.
Checklist
What you need before filling it out
Financial information section
Bank statements, pay stubs · Financial documents
Calculation section
Supporting worksheets · Tax preparation software
Personal identification section
Government-issued ID · Personal records
Supporting documentation section
Relevant receipts and records · Financial files
Before you submit
- 1Verify all information matches the main form
- 2Check that all required fields are completed
- 3Review calculations for accuracy
- 4Ensure supporting documentation is attached
- 5Confirm you're using the correct edition date
- 6Check signature requirements if applicable
- 7Make a copy for your records before submission
- 8Verify mailing address if submitting by paper
- 9Confirm electronic submission requirements if applicable
How to file this form
- 1Obtain the correct version of Form 13424A from IRS.gov
- 2Complete the main form to which this will be attached
- 3Fill out Form 13424A with required supplemental information
- 4Double-check all calculations and information
- 5Attach to main form if submitting by mail
- 6Submit according to the method specified in the main form instructions
- 7Keep a copy for your records
Known limitations
- 1This form is only valid when used with its corresponding main form
- 2Electronic filing may have different requirements than paper submission
- 3Form may be updated periodically; using outdated versions can cause issues
- 4Not all tax situations require this supplemental form
Field map
Compact field-by-field guide
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->Current form status is not clearly stated in the provided official source. Check IRS.gov for the most recent version and any updates.
What changed or needs a fresh check
- Edition date: Verify you're using the current version
- Fee: No filing fee typically required for this form
- Mailing address: Check main form instructions for correct address
- Signature requirements: Determine if signature is needed
- Copy requirements: Check if you need to keep a copy for your records
Quick Facts
Downloads
After you file
- 1Keep a copy of the completed form for your records
- 2Monitor for any IRS correspondence regarding your submission
- 3Allow sufficient processing time before following up
- 4Note the date of submission for reference
- 5Store supporting documents safely for at least 3-7 years
- 6Be prepared to provide additional information if requested by the IRS
Sources
- SRCForm 13424A is used to request an installment agreement for tax debt payment
- SRCForm requires taxpayer personal information including name, address, and SSN
- SRCForm requires detailed financial information including income and expenses
- SRCForm submission requires payment of a user fee unless eligible for a fee waiver
- SRCForm must be submitted to the IRS address provided in the instructions
- SRCForm approval is subject to IRS review of taxpayer's financial situation
- SRCForm 13424A is part of the IRS Fresh Start Initiative
- SRCTaxpayers must include all required supporting documentation with the form
- SRCForm submission does not guarantee approval of the installment agreement
Common confusion points
Which form is the main form
This is an attachment only, not a standalone form
→ Check the instructions for the main form this supplements
Signature requirements
Some attachments require signatures while others don't
→ Review the specific instructions for this form
Where to submit
Submission location depends on the main form
→ Follow the main form submission instructions
When to file
Timing depends on the main form deadline
→ Align with the main form filing deadline
Whether electronic filing is available
Some attachments can't be filed electronically
→ Check IRS e-file guidelines
Workflow map
Related forms and next steps
Before
Current
After
Often used with
⚠ If something goes wrong
- Contact the IRS for guidance on corrections
- IRS Form 1040 series if this is for individual tax returns
- IRS Form 1120 series if this is for business tax returns
Source transparency
Copyright & Licensing - US Government Forms
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.
Never sign without understanding every clause.
BrieflyGo reviews your contracts in plain English — instantly.