Empower your financial future with Hudson Valley Credit Union in Montgomery, NY. Enjoy 24-hour ATM access and member-centered support for all your needs. To obtain a refund from the Department of Finance for Montgomery County, Maryland, you must submit a written refund claim.This section contains information on overpayments, lost or stolen debit cards, fraud, and the reporting of fraud. Inperson payment kiosk located in Domestic Relations (One Montgomery Plaza) Lobby. Kiosk accepts cash, credit, and debit card. Use the money transfer option and overpay the mortgage that way. The City will refund the overpayment to the party to pay second, or last.