Maryland Code, Commercial Law § 11-402

(1) Is sold in a bona fide clearance sale and is so advertised and marked;

(2) Must be sold promptly in order to prevent loss;

(3) Is imperfect, damaged, or being discontinued and is so advertised and marked;

(4) Is sold on the final liquidation of a business;

(5) Is sold for charitable purposes or to relief agencies;

(6) Is sold on contract to a department of a government or governmental institution;

(7) Is sold by an officer acting under the order or direction of a court;

(8) Is sold at a price set in good faith to meet competition; or

(9) Is motor fuel sold by a retail service station dealer.