Md. Code, Bus. Reg. § 11-613

(a) (1) A licensee whose average handle is $150,000 or less shall keep the breakage. (2) A licensee whose average handle is over $150,000 shall: (i) allocate 50% of the breakage to the Sires Stakes Program; and (ii) keep 50% of the breakage to pay for personnel-related expenses, physical improvements, track maintenance, and indebtedness related to the track, including indebtedness for clubhouse and grandstand construction. (b) If an average handle is over $600,000, the takeout shall be: (1) 17% from each regular mutuel pool; (2) 19% from each multiple mutuel pool for 2 horses; and (3) 25% from each multiple mutuel pool on 3 or more horses. (c) If the average handle is $600,000 or less, the takeout shall be: (1) not more than 18.75% from each regular mutuel pool; (2) not more than 20.75% from each multiple mutuel pool on 2 horses; and (3) not more than 26.75% from each multiple mutuel pool on 3 or more horses. (d) Money that remains after deductions are made under this section shall be returned as winnings to successful bettors.