Sorry - typo here I posted "You may have a "sweepstake" that requires a purchase where the winner is random (the exception being a drawing of purchased tickets) but that complaint in itself was not valid in this particular case." And it should have read "You may not have a sweepstake that requires..."

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I do not feel obliged to believe that the same God who has endowed us with sense, reason, and intellect has intended us to forgo their use.
-Galileo