Md. Code, Tax - Property § 10–301

Except as otherwise provided by § 10-205 of this title, the Mayor and City Council of Baltimore City or the governing body of a county or of a municipal corporation may authorize, by law, a discount, if the county or municipal corporation property tax, as applicable, or appropriate tax district charge that is due is paid during the grace period provided by § 10-102(b) of this title.