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.

IRSOther IRS Forms (1000–1999)

Official form guide

Form 15105: No Breakdown of Liability By Abstract Number on Form 720

IRS Form 15105 is used to provide a No Breakdown of Liability By Abstract Number on Form 720 for entities filing with the Internal Revenue Service. The form must be mailed within 30 days from the date of the attached notice.

Need help with Form 15105?

Open it in the AI Editor for field guidance, checks, and PDF export.

Fillable formOpen in Editor->

Form Overview

IRS Form 15105 - No Breakdown of Liability By Abstract Number on Form 720

IRS Form 15105 is used to provide a No Breakdown of Liability By Abstract Number on Form 720 for entities filing with the Internal Revenue Service. The form must be mailed within 30 days from the date of the attached notice.

The form collects identifying details such as the Employer Identification Number and Business name. It also requires specific tax breakdown information, listing the Type of tax and corresponding Amount for three different IRS number columns.

Risk Radar

Scan points
  • 1Failing to mail the response within 30 days from the attached notice date is a critical error.
  • 2Not providing the current address if the filer's address has changed.
  • 3Failing to list the primary and secondary telephone numbers with their correct best call times.
  • 4Omitting the Tax period(s) for which the liability breakdown applies.
  • 5Entering incorrect amounts in the three designated Type of tax Amount columns.

Plain English

This form tells the IRS exactly how liabilities are broken down by abstract number when an entity files Form 720. It allows filers to submit this document along with their main tax filing to clarify specific financial obligations. The filer must ensure all required information is complete before submitting it.

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.

AI co-pilot

Fill it faster. Catch mistakes before you file.

Explains confusing fields in plain English
Flags missing signatures, dates, IDs, and attachments
Keeps the PDF ready for editor, send, and proof flows
Open AI workspace->

Glossary Terms

Hover a term to preview the meaning.

What this form is for

  • Use this form when an entity needs to provide a No Breakdown of Liability By Abstract Number on Form 720.
  • Do not use it when you are filing without needing to specify the breakdown of liability by abstract number on Form 720.
  • Check Form 720 instead when providing the actual breakdown of liability.

Form selector

Use this form or another form?

Your tax period(s) changed

You need to update the IRS with new details regarding your liability breakdown on Form 720

Confirm Tax Period field is accurate.

Form 15105

You are filing an amended return for a prior year

Even if amending, you may need this form to clarify liability breakdown on Form 720

Verify the attachment notice specifies Form 720.

Form 15105

Your address has changed since the last filing date

You must provide your current address details for IRS correspondence regarding Form 720

Ensure Address, City, State, and ZIP code are updated.

Form 15105

Deadline or filing window

The filing window requires submission within 30 days from the date of the attached notice. If an external envelope is used, it must be mailed to the address shown on that notice. The source does not specify any extension options.

Checklist

What you need before filling it out

1

Form 15105

Catalog Number 69799G · Form header

Misstating the catalog numberMedium
2

Tax period(s)

The specific tax periods being reported · Section under Contact information

Listing incorrect or missing years/periodsMedium
3

Address, City, State, ZIP code

Current mailing address of the filer · Contact information section

Using an outdated addressHigh
4

Type of tax Amount IRS number (x3)

The specific breakdown details for liability on Form 720 · Tax Breakdown section

Mismatching Type of Tax to its corresponding Amount or IRS numberHigh
5

Mailing deadline

30 days from the date of the attached notice · Instruction text at form bottom

Missing the required 30-day windowHigh

Before you submit

  1. 1Confirm you have completed all fields on Form 15105.
  2. 2Verify that the address provided is your current mailing address.
  3. 3Check that you have listed the correct Employer Identification Number and Business name.
  4. 4Ensure the Tax period(s) field accurately reflects the periods needing breakdown.
  5. 5Confirm at least one line in the Tax Breakdown section has a Type of tax, Amount, and IRS number filled out.
  6. 6Verify the mailing address matches exactly what is shown on the attached notice.
  7. 7Confirm you will mail the form within 30 days from the date of the notice.

How to file this form

  1. 1Complete all required fields on Form 15105, including your current contact and address information.
  2. 2Fill out the Tax Breakdown section by detailing each type of tax liability with its corresponding Amount and IRS number.
  3. 3Mail your completed package to the specific address shown on the attached notice (or use your own envelope).
  4. 4Retain a copy of Form 15105 for your records, ensuring it is dated correctly.

Known limitations

  1. 1The form provides information regarding No Breakdown of Liability By Abstract Number on Form 720.
  2. 2The form is used to report specific tax breakdowns, which are detailed in the Tax Breakdown section.
  3. 3The required filing timeframe is within 30 days from the date of the attached notice.

Field map

Compact field-by-field guide

6 fields

General Info

2 items

Taxpayer Name and TIN

Full legal name and taxpayer identification number (SSN or EIN).

Requiredtext
Address

Current mailing address.

Requiredtext

Details

2 items

Required Information

Complete all applicable sections of this form according to the official IRS instructions.

Requiredtext
Amount (if applicable)

Enter the relevant dollar amount if this form involves tax calculation.

amount

Certification

1 items

Certification Statement

Read and acknowledge any certifications required by this form.

Requiredcheckbox

Signatures

1 items

Signature

Sign and date. Unsigned forms cannot be processed.

Requiredsignature
This compact map shows typical fields for this form type. The AI Editor gives precise field guidance after you open the PDF.

Almost done reviewing the fields?

Fillable formOpen in Editor->
Current form status
IRS

The current edition is June 2017 (6-2017). The source does not point to a specific page for the latest information, but it lists Catalog Number 69799G.

What changed or needs a fresh check

  • Edition date — confirm June 2017 (6-2017)
  • Catalog Number — confirm 69799G
  • Mailing address — confirm the address shown on the attached notice
  • Signature — state that a signature is required (implied by 'Complete this form and send it')
  • Tax period(s) — ensure all relevant tax periods are listed
  • Type of tax amounts — verify each breakdown line has an amount entered

Quick Facts

Anyone who needs to provide a No Breakdown of Liability By Abstract Number on Form 720 must complete and send IRS Form 15105 to the Internal Revenue Service.
The form collects identifying details such as the Employer Identification Number and Business name. It also requires specific tax breakdown information, listing the Type of tax and corresponding Amount for three different IRS number columns.
The response must be mailed to the Internal Revenue Service within 30 days from the date of the attached notice.
Filers can mail their completed Form 15105 using the enclosed envelope provided with a notice. If using a personal envelope, it must be addressed to the location shown on that notice.
The source implies consequences by stating the form must be sent to them; failure to file correctly or timely suggests the IRS will rely on other information without this specific breakdown.
First, complete all identifying fields like the Business name and Tax period(s). Next, detail the tax breakdowns in the required columns. Finally, ensure the form is signed before mailing it to the specified address.

Fill Form 15105

AI-powered guidance for every field

Fillable formOpen in Editor->

Free to start / No account required

After you file

  1. 1Keep a copy of the completed IRS Form 15105 after mailing it to the Internal Revenue Service.
  2. 2The form must be mailed within 30 days from the date of the attached notice.
  3. 3If using your own envelope, mail the package to the address shown on the accompanying notice.
  4. 4Provide the current address if the entity's address has changed.

Sources

  • SRCCatalog Number is 69799G (Form p.1)
  • SRCThe form's revision date is June 2017 (Form 15105 (June 2017) on Form p.1)
  • SRCThe purpose of the form is to provide a No Breakdown of Liability By Abstract Number on Form 720 (Form p.1)
  • SRCThe filing deadline is within 30 days from the date of the attached notice (Form p.1)
  • SRCContact information required includes Employer Identification Number, Business name, and Tax period(s) (Form p.1)
  • SRCMail response address instructions are found on Form p.1 — verify on the agency site

Common confusion points

What if my address has changed?

The instructions state that if an address change exists, the current address must be provided below on Form 15105.

Check the address lines on Form 15105 to ensure the new location is listed.

How do I submit this form?

The form can be completed and sent using the enclosed envelope or mailed separately using the address shown on the notice.

Confirm the mailing instructions are clear before sending.

What if my tax breakdown has more than three types of taxes?

The Tax Breakdown section provides fields for three separate Type of tax entries, each with an Amount and IRS number field.

If there are more than three, list them sequentially in the available lines or verify if additional space is implied/required by the specific notice.

What do I do if I don't have an attached notice?

The filing deadline (30 days) is tied to the date of the attached notice; without it, this fact cannot be confirmed from the source alone.

Check your supporting documentation for a dated notice.

Where does the form need to be mailed?

Mail the response to the address shown on the attached notice or use the enclosed envelope provided with the notice.

Verify the specific mailing address listed on the accompanying IRS document.

What is the Catalog Number for Form 15105?

The catalog number for Form 15105 is 69799G.

Look at the top of the form to confirm this number.

Workflow map

Related forms and next steps

4 signals

Before

Not stated in the official source — verify on the agency site

Current

15105

After

Not stated in the official source — verify on the agency site

Often used with

Form 720 (This form provides a No Breakdown of Liability By Abstract Number for it)

⚠ If something goes wrong

  • The notice accompanying Form 15105 directs where to mail the response.

Questions about IRS Form 15105

What is IRS Form 15105 used for?

This form tells the IRS exactly how liabilities are broken down by abstract number when an entity files Form 720. It allows filers to submit this document along with their main tax filing to clarify specific financial obligations. The filer must ensure all required information is complete before submitting it.

Who must file IRS Form 15105?

Anyone who needs to provide a No Breakdown of Liability By Abstract Number on Form 720 must complete and send IRS Form 15105 to the Internal Revenue Service.

What information does IRS Form 15105 require?

The form collects identifying details such as the Employer Identification Number and Business name. It also requires specific tax breakdown information, listing the Type of tax and corresponding Amount for three different IRS number columns.

When is IRS Form 15105 due?

The response must be mailed to the Internal Revenue Service within 30 days from the date of the attached notice.

Where do I file IRS Form 15105?

Filers can mail their completed Form 15105 using the enclosed envelope provided with a notice. If using a personal envelope, it must be addressed to the location shown on that notice.

How do I complete IRS Form 15105?

First, complete all identifying fields like the Business name and Tax period(s). Next, detail the tax breakdowns in the required columns. Finally, ensure the form is signed before mailing it to the specified address.

What happens if IRS Form 15105 is filed incorrectly?

The source implies consequences by stating the form must be sent to them; failure to file correctly or timely suggests the IRS will rely on other information without this specific breakdown.

What if my address has changed?

The instructions state that if an address change exists, the current address must be provided below on Form 15105. Check the address lines on Form 15105 to ensure the new location is listed.

Ready to get started?

Upload the form or open it in the AI Editor for intelligent guidance

Fillable formOpen in Editor->

Source transparency

Copyright & Licensing - US Government Forms

Independent guide

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.

Public DomainCreated by the U.S. federal government. Not subject to copyright (17 USC § 105). Freely copyable without restriction.
Public DomainCreated by the U.S. federal government. Not subject to copyright (17 USC § 105). Freely copyable without restriction.
Public DomainCreated by the U.S. federal government. Not subject to copyright (17 USC § 105). Freely copyable without restriction.
Public DomainCreated by the U.S. federal government. Not subject to copyright (17 USC § 105). Freely copyable without restriction.
Verify current license terms with the source agency before reuse outside this platform.

Understand the agreement before you sign it.

Review risky clauses in plain English, fix the document, and keep it moving toward signature.

Review a contract free →