The vouchers are valid Sunday thru Friday, excluding blackout dates. Holiday blackout dates are 12/26/08 - 1/1/09, 1/17 - 1/18/09, and 2/14 - 2/16/09. Vouchers are valid at Sugar Bowl seven days a week from opening day thru December 25, 2008 and from March 23, 2009 thru closing day. Vouchers expire after the close of the 2008/2009 winter season or after June 1, 2009, whichever date comes first. Vouchers are not valid with any other offers or discounts, including credit for returning the pass for any reason.