Subject to this section, the hotel rental tax rate is the rate that the county sets by resolution. The hotel rental tax rate may not exceed: except as otherwise provided in this section, 3% in a code county; 3% in Cecil County; 4% in Talbot County; 5% in Calvert County, Carroll County, Charles County, Dorchester County, Frederick County, St. Mary’s County, and Somerset County; 6% in Wicomico County; and 8% in Garrett County. With the unanimous consent of the county commissioners: a code county other than an Eastern Shore code county or a Western Maryland code county may set a hotel rental tax rate up to 5%; an Eastern Shore code county may set a hotel rental tax rate up to 6%; and a Western Maryland code county may set a hotel rental tax rate up to 8%. The hotel rental tax rate in Washington County is 6%.