Use Form 9465 to request a monthly installment plan if you cannot pay the full amount you owe shown on your tax return (or on a notice we sent you). The IRS Online Payment Agreement system lets you apply and receive approval for a payment plan to pay off your balance over time.Use Form 9465 to request a monthly installment agreement (payment plan) if you can't pay the full amount you owe shown on your tax return. What are my payment options to register a fictitious name? Credit card (MasterCard, Visa, Discover and American Express).