S-13.1, r. 3 - By-law respecting casino games

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25. When the first card of the dealer is an ace, he must announce “insurance” and the following rules apply:
(1)  before the first player begins to play his hand, every player has the option to place a wager equal to half of his initial wager on the insurance line;
(2)  if the dealer draws a Blackjack, the insurance wager will be paid 2 to 1;
(3)  if the dealer does not draw a Blackjack, the player loses his insurance wager.
O.C. 1253-93, s. 25.