IRS forms, explained.

Installment Agreement

The form the IRS sends to formalize an installment agreement (monthly payment plan) on back taxes.

Collection Information Statement for Wage Earners and Self-Employed

Detailed financial disclosure the IRS uses to decide what you can pay — required for most large installment agreements and Offers in Compromise.

Collection Information Statement (Short Form)

Shorter financial disclosure used by the IRS Automated Collection System for moderate balances.

Offer in Compromise

The form used to formally propose settling your IRS tax debt for less than the full amount owed.

Installment Agreement Request

The form used to formally request an IRS payment plan when you can't pay your tax in full.

Exercise of an Incentive Stock Option (ISO)

Reports the exercise of incentive stock options — drives Alternative Minimum Tax (AMT) calculation.

Amended U.S. Individual Income Tax Return

Used to correct errors on a previously filed Form 1040 — claim missed deductions, fix income, or respond to an IRS adjustment.

Power of Attorney and Declaration of Representative

Authorizes a licensed attorney, CPA, or enrolled agent to represent you before the IRS — speak, sign, and negotiate on your behalf.

Tax Information Authorization

Authorizes a third party (lender, accountant, attorney) to receive and inspect your IRS tax information — without representation rights.

Application for Automatic Extension of Time to File

Buys you six extra months to FILE your individual return — but does not extend the time to PAY what you owe.

Employee's Withholding Certificate

Tells your employer how much federal income tax to withhold from each paycheck — the single biggest lever for avoiding underpayment penalties.

Nonemployee Compensation

Reports payments of $600 or more to independent contractors — and is the IRS's primary tool for catching unreported 1099 income.

Claim for Refund and Request for Abatement

The go-to form for asking the IRS to abate penalties, interest attributable to IRS delay, or refund erroneously collected tax.

Request for a Collection Due Process or Equivalent Hearing

The 30-day form that stops IRS levy action and moves your case to Appeals — the single most important defensive filing after a Final Notice.

Request for Taxpayer Advocate Service Assistance

The emergency escape hatch when the IRS is causing immediate financial hardship and normal channels aren't moving.

Voluntary Withholding Request

The one-page form to voluntarily withhold federal tax from Social Security, unemployment, or other government benefits.