Maryland Criminal Law Section 13-1506
§ 13-1506.
  (a)   (1)   The sheriff may not issue to a single organization in 1 calendar year more than 12 raffle licenses, no more than one of which may be for a raffle with a money prize exceeding $1,000.
    (2)   All raffle drawings shall be conducted in 1 calendar day.
    (3)   A raffle license is valid until all raffles are drawn.
    (4)   A raffle license shall state the day for the drawing or drawings.
  (b)   A money prize for a raffle may not exceed:
    (1)   $10,000 if the sponsoring organization has not held a raffle for a money prize exceeding $1,000 in the current calendar year; or
    (2)   $1,000 if the sponsoring organization has held a raffle for a money prize exceeding $1,000 in the current calendar year.
  (c)   An organization that intends to conduct a raffle for a money prize exceeding $1,000 shall:
    (1)   post a bond in the amount of the money prize; or
    (2)   obtain an irrevocable letter of credit from a bank in the amount of the money prize.