23.16.1306 RECORDING REQUIREMENTS - BET LIMITS
(1) A keno caller shall record in the margin (sideline) of an outside keno card as defined in ARM 23.16.2401 each wager made by a player, other than for a straight ticket, by using a standard fractional format that identifies the number of wagers by group size (e.g., 2/4 for two wagers each placed on a different group of four numbers) . Only the wagers recorded in the margin (sideline) may be winners. The total amount wagered by the player must be written on the front of the outside keno card.
(2) No more than 50¢ may be wagered on each group of numbers on a keno card, and no more than $100 may be awarded as a prize for each winning group of numbers.