The IRS Online Payment Agreement system lets you apply and receive approval for a payment plan to pay off your balance over time. Request an installment agreement and, if necessary, a Collection Appeals Program (CAP) hearing prior to additional IRS collection activity (lien or levy).After getting a letter from the IRS, you can contact an experienced tax attorney to understand your rights and options. The IRS sent Letter 2840C to notify you that an installment agreement has been set up, and show you the payment amount, due date, and payment address. The Montgomery County Internal Revenue Service is located at 6010 Executive Blvd, Suite 100 Room 103 Rockville, MD 20852. If you can't pay the full amount you owe, you can ask to make monthly installment payments. Gov all the information you need for your tax paying needs. An installment agreement has been set up for your tax balance due. Make a bank draft via our online payment system. These plans allow taxpayers to pay their tax liabilities using multiple payments over a set period of time.