Quick answer

If your financial situation changes — for example, you lose income, incur medical expenses, or the original payment became unaffordable — you can request a modification of an existing IRS installment agreement or reapply for a new plan. The IRS evaluates each request using current financial information and may require a written financial statement (Form 433 series) or documentation of income and expenses. Many taxpayers can request changes online through the IRS Online Payment Agreement (OPA) portal or by calling the IRS; others must submit documentation by mail or during a collections interview. (IRS: Installment Agreements; IRS: Online Payment Agreement Application)

When to modify vs. when to reapply

  • Modify when you have an active installment agreement but need a new monthly payment, extended term, or a switch from a direct debit plan to manual payments. Modifying keeps the existing account and payment history intact.
  • Reapply when your agreement was terminated, defaulted, or when you never had an agreement and now need to set up a payment plan. Reapplying is also appropriate if you want a materially different type of plan (for example, moving from a short-term plan to a partial-payment arrangement).

In my practice I’ve seen taxpayers try to stretch a payment without notifying the IRS; that often leads to default and collection actions. Early, accurate communication is the best way to preserve options.

How the IRS evaluates modification or reapplication requests

The IRS uses the documentation you provide to determine ability to pay. Typical evaluations include:

  • Review of income and expenses. The IRS may ask for pay stubs, bank statements, or proof of unemployment.
  • A completed financial statement (Form 433-F, 433-A, or 433-B) when the taxpayer seeks more favorable terms than streamlined processes allow.
  • Consideration of assets that could be used to pay the balance, such as savings, investments, or equity in real property.

The IRS will also consider whether you have filed all required tax returns. Unfiled returns usually block approval until resolved. (IRS, Installment Agreements)

Ways to request a modification or reapply

  1. Online (recommended when available):
  • Use the IRS Online Payment Agreement (OPA) portal to request changes to qualifying agreements or to set up a new online installment agreement. The portal is faster for straightforward modifications. (IRS: Online Payment Agreement Application)

  1. Phone: Call the number on your IRS notice or 1-800-829-1040 for individual taxpayers to discuss options. Expect an interviewer to ask about current finances; have documentation ready.

  2. Mail: Send a written request, supporting documents, and any required forms (Form 9465 is the basic Installment Agreement Request; more complex requests require Form 433-F/433-A or a collections case file).

  3. Collections office interview: If you’re already in IRS collections, the revenue officer will request a financial statement and negotiate terms based on documented monthly income, allowable expenses, and assets.

  4. Tax professional representation: A CPA, enrolled agent, or tax attorney can negotiate on your behalf. A signed Form 2848 (Power of Attorney) authorizes representation.

Documentation checklist

Have the following ready to speed approval:

  • Most recent pay stubs, bank statements, and proof of other income (rental, self-employment receipts).
  • Identification: name, SSN/ITIN, and contact information.
  • Last two years of filed federal tax returns, and proof that current-year returns are filed or in process.
  • A completed financial statement if requested: Form 433-F (individual Financial Statement) or Form 433-A/B when appropriate.
  • Expense documentation: lease/mortgage statements, utility bills, insurance premiums, child support, medical bills, and transportation costs.
  • Records of unusual or one-time expenses that justify lower monthly payments (job loss, disaster-related costs).

Types of modifications you can request

  • Lower monthly payment: ask the IRS to recalculate based on current income and allowable expenses.
  • Longer repayment term: extend duration to reduce the payment amount, which may result in more interest/penalties over time.
  • Change payment method: switch to direct debit (often preferred by the IRS and sometimes required for certain streamlined programs), or stop direct debit temporarily if there’s a hardship.
  • Convert to a partial-payment installment agreement: ask the IRS to accept a lower monthly payment indefinitely when assets or income don’t support full repayment. These are examined more closely and require detailed financial disclosure.

See related reading on types and qualifications: Installment Agreements Explained: Types, Fees, and Eligibility.

Streamlined vs. full documentation processes

  • Streamlined options exist for taxpayers who meet specific criteria and owe relatively smaller balances; these can often be handled online without a full financial statement.
  • Larger liabilities or requests for lowered monthly payments generally require a full financial statement (Form 433 series) and supporting documents.

For guidance on filing electronically, review: How to Use Form 9465 to Request an Installment Agreement Online.

Fees, interest, and penalties (brief, current-practice guidance)

The IRS charges user fees for certain installment agreements and interest plus penalties continue to accrue on unpaid balances unless fully resolved. Fee amounts and user-fee policies can change, so confirm current amounts on the IRS website before relying on a specific dollar figure. (IRS: Installment Agreements)

Reapplying after default or termination

  • If an agreement defaults (missed payments, returned direct debit, or failure to file returns), the IRS can terminate the agreement and resume collection activity.
  • Reinstatement is possible: you may be able to reinstate the prior agreement by making a required payment or curing the default, or you can apply for a new agreement using current financial information.
  • If collections have escalated (levy, lien), resolving the default often requires paying a required lump sum, completing a financial disclosure, or negotiating a different type of plan.

See the practical process for modifying or revoking plans here: Modifying or Revoking an Existing IRS Installment Agreement.

What to expect after you submit a request

  • Acknowledgment of receipt if you apply online or via the OPA portal. Mail requests may take longer.
  • The IRS will review documents and either approve, propose counter-terms, or request additional information.
  • If approved, you will receive a written notice with new terms. If denied, the IRS will explain why and outline next steps, including appeals or alternatives.

Alternatives to modification or reapplication

  • Offer in Compromise (OIC): a settlement for less than the full tax liability when paying in full would create economic hardship. OICs require rigorous documentation and have different standards than installment agreements.
  • Currently Not Collectible (CNC) status: temporarily pause collection activity if paying would cause undue hardship; this does not erase the debt and interest continues to accrue.
  • Bankruptcy or other relief: in rare cases, consult a bankruptcy attorney for professional advice; taxes have specific treatment in bankruptcy.

Common mistakes to avoid

  • Waiting too long: delays reduce options and increase interest/penalties.
  • Underreporting expenses or omitting required documentation: that can lead to denial or default.
  • Failing to file required tax returns: the IRS will not agree to terms until returns are current.
  • Assuming interest and penalties stop: they usually continue until the balance is paid in full.

Professional tips to improve approval odds

  • Prepare a realistic, documented budget before negotiating; know your non-discretionary expenses.
  • Choose direct debit if you can afford it; the IRS favors it and it lowers default risk.
  • Keep careful records of all contacts with the IRS (dates, agent name, confirmation numbers).
  • If your case is complex or a large balance is involved, hire an enrolled agent, CPA, or tax attorney to represent you. Use Form 2848 to delegate authority.

Appeals, Taxpayer Advocate, and last-resort options

  • If you disagree with the IRS decision, you have appeal rights. Follow the appeal instructions in the denial notice.
  • Contact the Taxpayer Advocate Service (TAS) if you face financial hardship and standard IRS processes aren’t resolving your issue. TAS is independent within the IRS and helps taxpayers in significant hardship. (Taxpayer Advocate Service)

Final checklist before you submit

  • File all required tax returns.
  • Assemble pay stubs, bank statements, and expense proofs.
  • Decide whether you can pay via direct debit or need an alternative.
  • Consider professional representation if the account is in collections or balance is large.
  • Confirm current IRS user-fee amounts and procedures on the IRS website.

Sources and resources

Professional disclaimer

This article is educational and reflects general procedures current as of 2025. It is not individualized tax advice. For guidance tailored to your situation, consult a licensed tax professional, CPA, enrolled agent, or tax attorney.