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Yes! You can use AI to fill out Form IL-2848, Power of Attorney

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Form IL-2848, Power of Attorney, page 1
Moderate · 56/100Form Complexity Index

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What this form asks for

The AI fills all of it, from your answers or your documents.

Form IL-2848, Power of Attorney, is a legal document used by Illinois taxpayers to appoint a representative, such as an attorney or CPA, to act on their behalf in matters before the Illinois Department of Revenue (IDOR). This authorization allows the designated individual to receive confidential information and perform actions like responding to notices or representing the taxpayer during an audit. Today, this form can be filled out quickly and accurately using AI-powered services like Instafill.ai, which can also convert non-fillable PDF versions into interactive fillable forms.
Fillable fields93
Pages2
Sections12
Form Complexity IndexModerate, 56/100

The AI checks your answers before you download

14 checks built for this form, so a wrong date or a missing answer is caught before anyone else sees it.

Exclusive Filing Action Selection

This validation ensures that exactly one of the four filing action checkboxes at the top of the form (Add: New POA, Add: Additional POA, Change: Existing POA, Remove: Existing POA) is selected. This is critical for the Department of Revenue to understand the taxpayer's intent and process the request correctly. If zero or more than one box is checked, the submission is ambiguous and will be rejected, requiring the user to correct and resubmit the form.

Taxpayer Identification Number Format

This check verifies that the 'FEIN, SSN, or Illinois Account ID' in Step 1 is entered in the correct format: nine digits for an SSN (XXX-XX-XXXX) or FEIN (XX-XXXXXXX), or a valid format for an Illinois Account ID. Correct formatting is essential for matching the form to the correct taxpayer account in the database. A formatting error will prevent the system from identifying the taxpayer, causing the form to be rejected.

Conditional Step 4 Completion for Authorized Agents

This validation checks that if the box in Step 1 labeled 'your authorized agent... is executing this form' is checked, then all required fields in Step 4 (Name, Title, Address, etc.) must be completed. This is necessary to legally identify the individual signing on behalf of the taxpayer. Failure to complete Step 4 when this box is checked will render the signature in Step 5 invalid and cause the form to be rejected for incompleteness.

Exclusive Representative Type Selection

This check ensures that exactly one professional designation box (Attorney, Certified Public Accountant, Enrolled Agent, or Other) is selected in Step 2. This designation determines the qualification requirements for the representative and whether a witness or notary is needed. Selecting none or multiple options creates ambiguity and will result in the form being considered incomplete and invalid.

Conditional Jurisdiction Requirement for Professionals

This validation verifies that the 'Jurisdiction' field in Step 2 is filled out if the representative is designated as an 'Attorney', 'Certified Public Accountant', or 'Enrolled Agent'. This information is required to confirm the representative's professional standing. If one of these boxes is checked but the jurisdiction is missing, the representative's qualifications cannot be verified, and the form will be rejected.

Conditional Step 6 Witness/Notary Requirement

This check ensures that Step 6 is completed if the 'Other' box is checked in Step 2 for the representative's designation. Per the form's instructions, a non-credentialed representative's appointment requires the taxpayer's signature to be validated by either two witnesses or a notary. If 'Other' is checked and Step 6 is blank, the Power of Attorney is not legally binding and will be rejected.

And 8 more checks
  • Conditional Attachment Count for IL-2848-A
  • Exclusive Authority Scope Selection
  • Conditional Limited Authority Specification
  • Joint Filer Signature Requirement
  • Signature Date Validity
  • Email Address Format Validation
  • SSN/FEIN Consistency with Taxpayer Type
  • Years/Periods Field Logic for Limited Authority

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How to Fill Out IL-2848 Online for Free in 2026

What the AI walks you through.

  1. Navigate to Instafill.ai and upload or select the Illinois Form IL-2848.
  2. Use the AI assistant to accurately fill in the taxpayer's information in Step 1, including name, address, and identification number (SSN, FEIN, or Illinois Account ID).
  3. Provide the details for your chosen representative (Power of Attorney) in Step 2, including their name, contact information, and professional credentials.
  4. In Step 3, clearly define the authority you are granting by selecting either full authority or specifying limited authority for particular tax types and periods.
  5. Review all the information, then electronically sign the form in Step 5. The AI tool will guide you through the signature process, including any required witness or notary steps (Step 6) if applicable.
  6. Download the completed and signed Form IL-2848 for your records and for submission to the Illinois Department of Revenue.

Common Mistakes in Completing IL-2848

The ones the AI is built to catch.

Incorrectly Selecting the POA Action
Filers often check the wrong box at the top of the form, such as selecting 'Add: New POA' when they intend to 'Change: Existing POA'. This mistake happens due to misunderstanding the distinction between adding a representative to an existing authorization versus creating a new one from scratch. This can lead to the Illinois Department of Revenue (IDOR) processing the request incorrectly, such as revoking a POA you meant to amend or creating duplicate, conflicting authorizations.
Mismatched or Improperly Formatted Taxpayer ID
Users frequently enter the taxpayer identification number (SSN, FEIN, or Illinois Account ID) in an incorrect format or use the wrong type of ID for the entity, such as an SSN for a business. The form's instructions can be confusing regarding the use of hyphens, increasing the likelihood of error. An incorrect ID prevents the IDOR from matching the form to the taxpayer's account, resulting in immediate rejection and significant processing delays.
Missing Spouse's Signature for Joint Returns
When a Power of Attorney covers matters related to a joint income tax return, both spouses must sign the form in Step 5. A common oversight is for only one spouse to sign, believing their signature is sufficient. This renders the POA invalid for any joint tax matters, and the IDOR will reject the form or limit its scope, preventing the representative from acting on behalf of both taxpayers.
Granting 'Limited Authority' Without Specifying Limits
A filer may check the 'limited authority' box in Step 3 but then forget to check the specific tax types or enter the corresponding years, periods, or Audit IDs. According to the form, failing to specify a year or period for a selected tax type grants authority for all years, which may be broader than intended. This can lead to unintended information disclosure or an invalid form if no tax types are selected at all.
Forgetting Witness or Notary for 'Other' Representatives
If the chosen representative is not an Attorney, CPA, or Enrolled Agent, the 'Other' box in Step 2 must be checked, which then requires the taxpayer's signature to be witnessed or notarized in Step 6. Filers often miss this dependency, submitting a legally incomplete form. The IDOR will reject the form, and the appointment remains invalid until a properly executed version is submitted.
Using an Incorrect or Abbreviated Taxpayer Name
Taxpayers sometimes enter a nickname, an abbreviated name, or a 'Doing Business As' (DBA) name instead of the full, legal name of the individual or business entity. This happens when filers are not referencing official documents. This mismatch between the name and the Taxpayer ID will cause the IDOR's automated systems to fail, leading to processing delays or outright rejection of the form.
Failing to Complete Steps for an Authorized Agent Signature
When a corporate officer, partner, or fiduciary signs on behalf of the taxpayer, they often sign in Step 5 but forget to check the corresponding 'authorized agent' box in Step 1 and fill out their own details in Step 4. This omission creates ambiguity about the signer's authority to execute the document. The IDOR will likely reject the form because the signature in Step 5 does not belong to the taxpayer listed in Step 1 and is not properly documented.
Granting Contradictory Authority for Signing Returns
In Step 3, a filer might create a direct contradiction by checking both the box that states the 'appointee(s) is not authorized to sign tax return' and the box for 'Specific Authority Granted (Attach Form IL-2848-B),' which is used to grant signing authority. This confusion makes it impossible for the IDOR to determine the taxpayer's intent. The form will be returned for clarification, delaying the appointment of the representative.
Incomplete or Incorrect Representative Information
Filers may leave critical fields in Step 2 blank, such as the representative's identification number (e.g., Attorney License, PTIN) or the 'Jurisdiction' for licensed professionals. This information is required for the IDOR to verify the representative's credentials and good standing. Omitting these details can lead to the rejection of the form, as the representative's eligibility to practice before the IDOR cannot be confirmed.
Incorrectly Populating Address Fields
The form requires the street address, city, state, and ZIP code to be entered into separate, dedicated fields. A frequent mistake is to enter the entire address onto the single 'Street Address' line, which can cause data entry errors on the receiving end. This can lead to critical notices and correspondence from the IDOR being mailed to an incorrect or undeliverable address. AI-powered form filling tools like Instafill.ai can prevent this by automatically parsing and placing each address component into the correct field.

Frequently Asked Questions About IL-2848

 

Is it really free for 7 days?
Yes. You pay $0 today. Cancel before Nov 13 and you are never charged. Keep it, and it is $19.99 a month for 5 fills of your IL-2848.
Can I fill other forms too?
This plan is for your IL-2848: your own AI agent fills it as often as 5 times a month. To fill other forms and upload your own, choose a Professional plan from your account.
How do I cancel?
From your account, in two clicks, any time. No email, no call.
How does the AI fill out IL-2848?
You answer a few questions in plain words, or upload a document you already have. The AI reads what you give it and puts each answer into the right field of IL-2848, on every page, in seconds. It checks the answers against the form's own rules, and you review and change anything before you download, print or sign.
What happens to my information?
It is encrypted in transit and at rest, and it is never used to train AI.
How complex is IL-2848 to fill out?
IL-2848 has a Form Complexity Index of 56 out of 100, in the moderate tier: 93 fillable fields across 2 pages. Instafill.ai's AI fills it in under a minute, with every field there for you to review before you download.
What is the purpose of Form IL-2848?
Form IL-2848, Power of Attorney, is used to authorize an individual, such as a CPA or attorney, to represent you or your business before the Illinois Department of Revenue (IDOR) for tax-related matters.
Who needs to file a Form IL-2848?
Any individual or business taxpayer who wants to grant a representative the authority to receive confidential tax information and act on their behalf with the IDOR should file this form.
What is the difference between 'full authority' and 'limited authority' in Step 3?
Granting 'full authority' allows your representative to act on your behalf for all tax matters with the IDOR. Selecting 'limited authority' restricts their power to only the specific tax types and periods you indicate on the form.
What information do I need to have ready to complete this form?
You will need your full name, address, and taxpayer identification number (SSN or FEIN), as well as the name, contact information, and identification number of the representative you are appointing.
My spouse and I file a joint tax return. Do we both need to sign?
Yes, if you are authorizing a power of attorney for a joint income tax return, your spouse's information must be included in Step 1 and both of you must sign the form in Step 5.
What if my representative is not an attorney, CPA, or enrolled agent?
If your representative is not one of these professionals, you must check the 'Other' box in Step 2, and your signature in Step 5 must be witnessed by two people or a notary public in Step 6.
How do I add, change, or remove a Power of Attorney?
At the top of the form, check the appropriate box to indicate if you are adding a new or additional POA, changing an existing one, or removing (revoking) a POA that is currently on file.
How can I make sure my representative gets copies of my tax notices?
To have duplicate copies of notices sent to your representative, you must check the designated box in Step 2 under the Power of Attorney's information.
Can my representative sign my tax returns for me?
Generally, no. To grant your representative the specific authority to sign your tax returns, you must check the 'Specific Authority Granted' box in Step 3 and attach Form IL-2848-B.
Where do I send the completed Form IL-2848?
Submission instructions are typically found on the IDOR website or with the form's official instructions. You can often submit it online via a MyTax Illinois account or mail it to the specified address.
Can AI tools help me fill out this form?
Yes, services like Instafill.ai use AI to accurately auto-fill form fields with your saved information, which saves time and helps prevent common errors.
How can I fill out Form IL-2848 online?
You can use a service like Instafill.ai to upload the PDF. The platform makes the form interactive and fillable, allowing you to type your information directly into the fields and sign electronically.
The PDF version of this form I found is not fillable. What should I do?
If you have a non-fillable PDF, you can use a tool like Instafill.ai to convert it into an interactive, fillable form that you can easily complete on your computer.
How do I appoint more than one representative?
List the primary representative in Step 2 of Form IL-2848. For each additional representative, you must complete and attach a separate Form IL-2848-A.
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