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Official form guide
Form 15105: No Breakdown of Liability By Abstract Number on Form 720
Internal Revenue Service Form 15105 is used to report a breakdown of liability by abstract number for Form 720 when the IRS requests it. Taxpayers must mail the completed form within 30 days of the notice.
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IRS Form 15105 - No Breakdown of Liability By Abstract Number on Form 720
Internal Revenue Service Form 15105 is used to report a breakdown of liability by abstract number for Form 720 when the IRS requests it. Taxpayers must mail the completed form within 30 days of the notice.
Risk Radar
Scan points- 1Missing the 30‑day mailing deadline triggers non‑compliance.
- 2Leaving the Employer Identification Number blank prevents the IRS from matching the return to the correct taxpayer.
- 3Omitting the business name makes it impossible to identify the filing entity.
- 4Failing to list the tax period(s) leaves the IRS without the relevant reporting timeframe.
- 5Not providing a current address when it has changed can cause the response to be misdelivered.
Plain English
This form lets the IRS get a detailed list of each tax you owe that appears on Form 720. You fill in your business’s ID, name, tax periods, address, phone numbers, and each tax type, amount, and IRS number. Then you mail it back in the envelope provided.
Submission Date
- Filing date: 2018-03-01 22:00:12
- Preparation window: collect IDs, supporting records, and signatures in advance.
- Final review: verify names, dates, and required fields before submission.
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What this form is for
- Use this form when the IRS requests a breakdown of liability by abstract number for Form 720.
- Do not use it when the notice does not request a breakdown by abstract number.
- Check Form 720 instead when the notice requires a standard liability filing without abstract-number breakdown.
Form selector
Use this form or another form?
IRS requests a breakdown of liability by abstract number
Provides the abstract-number detail required for Form 720
✓ Confirm the notice specifies abstract-number breakdown
IRS requires a regular liability report for Form 720
Standard liability reporting without abstract-number detail
✓ Verify the notice does not ask for abstract-number breakdown
Filer prefers to use own envelope for mailing
Enclosed envelope not needed; address on notice used
✓ Ensure the correct address from the notice is written
Deadline or filing window
The filing window opens when the IRS issues the notice. The response must be mailed within 30 days of that notice date. No extension is mentioned in the instructions.
Checklist
What you need before filling it out
Employer Identification Number
EIN number · Form header section
Business name
Legal name of the entity · Form header section
Tax period(s)
Calendar or fiscal year dates · Form header section
Current address
Street, city, state, ZIP · Address fields
Tax Breakdown – Type of tax, Amount, IRS number
Tax type, amount owed, corresponding IRS number · Tax Breakdown section
Before you submit
- 1Verify the Employer Identification Number is entered correctly.
- 2Confirm the Business name matches the notice.
- 3Enter the applicable Tax period(s) in the required format.
- 4Provide the current mailing address if it has changed.
- 5Supply the primary telephone number and best time to call.
- 6Complete each Tax Breakdown line with Type of tax, Amount, and IRS number.
- 7Review the form for any blank required fields.
- 8Sign the form where indicated.
- 9Place the completed form in the enclosed envelope or use the address on the notice.
- 10Mail the package within 30 days of the notice date.
How to file this form
- 1Complete all required fields on Form 15105.
- 2Double‑check entries for accuracy.
- 3Place the completed form in the enclosed envelope (or your own envelope with the notice address).
- 4Affix appropriate postage.
- 5Mail the envelope to the address shown on the notice.
- 6Retain a copy of the mailed package as proof of filing.
Known limitations
- 1You must verify the form’s edition date reads June 2017 (6‑2017); older editions may lack required fields, so re‑check before filing.
- 2You cannot determine any filing fee from the official source; confirm on the notice or IRS website to avoid unexpected charges.
- 3You must use the mailing address shown on the notice because the official source does not provide a specific address for this form.
- 4You should locate a signature line on the form; the official source does not state where to sign, so verify before submission.
- 5You cannot find a contact telephone number in the official source; check the notice or IRS contact list for appropriate assistance.
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.
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Fillable formOpen in Editor->Form 15105 is the June 2017 edition (revision 06/2017); the source does not indicate a newer version or a “latest information” page.
What changed or needs a fresh check
- Edition date — confirm the form shows June 2017 (6‑2017) revision
- Fee — not stated in the official source
- Mailing address — not stated in the official source (use address on notice)
- Signature — not stated in the official source
- Contact number — not stated in the official source
Quick Facts
Downloads
After you file
- 1Keep a copy of the completed Form 15105 for your records.
- 2Retain the notice that requested the breakdown for at least three years.
- 3Expect a confirmation letter from the IRS acknowledging receipt.
- 4If you discover an error, submit a corrected Form 15105 with a cover note.
- 5Store all related correspondence in a file for future reference.
Sources
- SRC[Form p.1] — filing deadline is within 30 days from the date of the attached notice.
- SRC[Form p.1] — mailing should use the enclosed envelope or address shown on the notice.
- SRC[Form p.1] — form title is 'No Breakdown of Liability By Abstract Number on Form 720'.
- SRC[Form p.1] — revision date is June 2017 (6-2017).
- SRC[Form p.1] — catalog number is 69799G.
- SRC[Form p.1] — includes fields for Employer Identification Number, Business name, Tax period(s), and address changes.
Common confusion points
Do I need to use the envelope that came with the notice?
I think any envelope works, but the form says 'enclosed envelope'.
→ Verify that you use the IRS‑provided envelope unless you follow the address on the notice.
Can I submit the form electronically?
The form only mentions mailing a paper response.
→ Confirm that only paper mailing is accepted.
What if my address changed after receiving the notice?
The form asks for current address if changed.
→ Update the address section before mailing.
Do I need to include my EIN on the form?
The form lists 'Employer Identification Number' field.
→ Ensure EIN is entered accurately.
How many types of tax can I list?
The form shows three 'Type of tax' rows.
→ Fill up to three tax breakdowns as provided.
What is the deadline if the notice date is unclear?
The form states 30 days from the attached notice date.
→ Count 30 days from the date printed on the notice.
Workflow map
Related forms and next steps
Before
Current
After
Often used with
⚠ If something goes wrong
- Form 720‑X — amendment form for correcting errors on Form 720.
Questions about IRS Form 15105
What is IRS Form 15105 used for?
This form lets the IRS get a detailed list of each tax you owe that appears on Form 720. You fill in your business’s ID, name, tax periods, address, phone numbers, and each tax type, amount, and IRS number. Then you mail it back in the envelope provided.
What information does IRS Form 15105 require?
The form collects the employer identification number, business name, tax period(s), current address, primary and secondary telephone numbers, and for each tax liability the type of tax, amount owed, and the IRS number.
When is IRS Form 15105 due?
Mail your response to us within 30 days from the date of the attached notice.
Where do I file IRS Form 15105?
Send the completed form in the enclosed envelope, or if you use your own envelope, mail it to the address shown on the notice.
How do I complete IRS Form 15105?
Enter the employer identification number, business name, and tax period(s) at the top. Provide the current address and phone numbers. List each tax liability by type, amount, and IRS number in the Tax Breakdown section. Mail the form in the enclosed envelope (or to the notice address) within the 30‑day window.
Do I need to use the envelope that came with the notice?
I think any envelope works, but the form says 'enclosed envelope'. Verify that you use the IRS‑provided envelope unless you follow the address on the notice.
Can I submit the form electronically?
The form only mentions mailing a paper response. Confirm that only paper mailing is accepted.
What if my address changed after receiving the notice?
The form asks for current address if changed. Update the address section before mailing.
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