Use Form 656 when applying for an offer in compromise (OIC), which is an agreement between you and the IRS that settles your tax liabilities for less than the full amount that you owe. Current revision For an OIC based on doubt as to collectability or based on effective tax administration, download Form 656-B PDF, a booklet which includes instructions and the following forms: Form 656, Offer in Compromise Form 433-A (OIC), Collection Information Statement for Wage Earners and Self-Employed Individuals Form 433-B (OIC), Collection Information Statement for Businesses For an OIC based on doubt as to liability, download the following forms: Form 656-L PDF (includes instructions) For tax professionals The following is intended for tax professional use only. Ensure you include complete financial statements Form 433-A(OIC) or Form 433-B(OIC) and any required application fee and initial payment with the Form 656. Form-only version of Form 656 PDF (without instructions or additional forms) Other items you may find useful Offer in compromise -- detailed information (including fees and payment requirements) Pre-qualifier tool -- confirm your eligibility and prepare a preliminary proposal Request for appeal of Offer in Compromise PDF Other current products