Many money market deposit accounts offer limited check-writing privileges and include a debit card with the account. Union Bank. Treasury bills mature in less than a year; Treasury notes mature between two and 10 years. To do this, many or all of the products featured here are from our partners. That’s why many don’t pay much, if any, interest. You have money, you need a place to put it for a while and the financial institutions are lining up at the door.