D.C. Mun. Regs. tit. 30, r. 30-1405
At each bingo operation, the licensed organization shall supply each player a sheet which lists the following:
Each person admitted to a bingo operation purchasing a regular bingo card shall be allowed to play in all regular bingo games conducted at the bingo operation.
Regular bingo cards sold as a part of the admission cost pursuant to § 1402.1 shall be of a different color from all extra regular bingo cards.
At any bingo operation, any player buying or renting an extra regular bingo card shall be entitled to use the card in all regular games conducted after that person buys or rents the card.
All bingo cards shall be sold face down and in a random fashion.
No number on a bingo card shall be given free to players in any bingo game other than that center space designated the "free" space.
The objects to be drawn shall be essentially the same in size, shape, weight, balance, and other characteristics so that at all times during a bingo operation each object possesses the capacity for equal opportunity of selection.
All seventy-five (75) objects shall be present in the receptacle at the beginning of each bingo game.
A display tote board showing each number as called shall always be used in each room where bingo is played.
All seventy-five (75) numbers shall be posted on the tote board at the beginning of each bingo game.
The announcement by the caller of all numbers drawn shall be clearly audible to the players present and visibly indicated on the tote board.
Where more than one room is used for any bingo game, the receptacle and the caller and any assistant shall be in the room where the greatest number of players is present and all numbers shall be announced in a manner clearly audible to the players in each room.
In any multihall bingo game the receptacle and the caller and any assistant shall be located at a single premise within or outside the District of Columbia, and all numbers shall be drawn and announced in conformity with the provisions of this chapter respecting the drawing and announcing of numbers at licensed premises located within the District of Columbia.
Once removed, no object shall be returned to the receptacle until after the conclusion of the game.
In all bingo games, other than Class C multihall bingo games, the receptacle and caller shall be visible to the majority of players at the premises at all times.
Bingo shall be called immediately. If a bingo is overlooked, the subsequent number or numbers shall be declared the winner.
Prior to each bingo game, the particular arrangement of numbers required to be covered in order to win shall be clearly displayed in a model and audibly announced to the players.
Prior to each bingo game, the amount of the prize shall be audibly announced and clearly displayed to the players.
No more than six (6) early bird games may be held during a regular bingo operation.
No regular bingo cards or supplies, except charity game tickets and special bingo cards, shall be sold during any bingo operation after completion of three-fourths (3/4) of the bingo games scheduled, excluding early bird games.
No more than six (6) early bird games may be held during a limited period bingo operation.
D.C. Mun. Regs. tit. 30, r. 30-1405