# Upgrade Redemption -This certificate is valid for upgraded one-way travel
as stated above. All upgrades must be redeemed at least 48 hours prior to
 originating flight departure. Paper tickets cannot be upgraded with this 
voucher. Tickets must be validated on NW/012 ticket stock. Transportation
 not in conjunction with the use of this certificate may appear on the same 
ticket. Redemption instructions will be provided via e-mail at time of reward 
selection.
# Validity - Upgraded travel must begin on or before the date stated in the 
confirmation e-mail provided. All upgrade certificates selected under this 
promotion will be valid for 12 months from the date of selection. Extensions 
will not be granted under any circumstances.
# Certificate offer - All rules of the fare purchased will apply, except as 
changed by this offer. Certificate has zero cash value, will be deemed fully 
used upon surrender and will not be honored retroactively or in connection 
with the exchange of any wholly or partially unused ticket. Certificate will not 
be replaced and can not be requested. The use of the certificate offer 
embodied herein by anyone other than Northwest in any advertisement for any
 purpose, or the purchase or other acquisition of certificates by persons or 
entities in the travel service business is strictly prohibited and will render the 
certificate VOID. Limit of one one-way upgrade per certificate. Space is 
limited, and seats may not be available on all flights.
# Qualifying Fares - Any published paid fare.
# Upgraded Booking Class - One-Way Confirmed Hawaii Upgrades and 
One-Way Confirmed Domestic Upgrades will be booked in F class. 2 One-Way 
Confirmed System-wide Upgrades will be booked in C class.
# Fare Basis Code - Fare basis code of purchased fare.
# Minimum/Maximum Stay - Per rules of fare purchased.
# Blackout dates - Per rules of fare purchased.
# Routing - All travel must be via the routes of NW/KL in which NW/KL 
publishes fares. Fares to/from Japan, Asia and Micronesia are valid via 
Northwest's transpacific flights only. KLM designated/operated flights are only 
permitted on flights to/from Europe, India, Africa and the Middle East. NW/KL 
schedules are not guaranteed and are subject to change without notice. If 
passenger is rerouted to another carrier, the upgrade will not be honored.
# Fare/Tax/Total - Applicable Coach Class fare charged. Any tax liability or 
government-imposed fees are the responsibility of the user. (Please note: For 
certain destinations, additional taxes may apply for travel in Business Class).
# Changes/Refunds - Per rules of fare purchased. Any change/refund/cancel 
will result in the loss of the upgrade certificate.
# Combinability - This certificate may not be combined with any other 
discount, coupon, bonus, certificate, E-Cert, promotional fare also known as a
 web fare, or special status type fares such as: free, no-value, VUSA, 
standby, Round-the-World, joint, unpublished (programs indicated with a 
special ticket designator/reference code, e.g. BT000, unless the unpublished 
program permits upgrade certificates), agency/industry discount, group, 
(except - GV2 type group fares), senior, student, infant, child, WorldPerks Air 
Travel Awards, or any other fares/tickets which may later be specified by NW 
with or without notice.