Didn't realize that the rules from the website don't say anything about it:
Exclusive $1000 Bonus Cash Allowance offer is valid at any franchised U.S. Chrysler Group LLC Dealer. This allowance is valid toward the purchase or lease of an eligible new and unused 2011 and 2012 Model Year Chrysler 300, Chrysler Town & Country, Dodge Charger, Dodge Grand Caravan, Jeep Grand Cherokee, Jeep Wrangler, Jeep Wrangler Unlimited, or Ram 1500 Pickup (Quad Cab and Crew Cab Only). Offer is also valid toward the purchase of an eligible new and unused 2011 and 2012 MY Chrysler 200 Sedan (excluding LX) or Dodge Avenger (excluding Express). Customer must take retail delivery by January 2, 2012. This Bonus Cash Allowance offer is not available to the general public. Offer is additive to most current national, regional and other bonus incentives and is available on Employee Advantage, Dealership Employee Purchase or Affiliate Rewards Program vehicles. Offer is not compatible with the Military Program or FFA Member incentives. Chrysler offer discounts only to persons eligible for membership in USAA's Property and Casualty Insurance Group. P&C membership is generally available to current and former members of the U.S. Military and their former dependents. Certificate is valid for the person named on certificate and is transferable only to immediate family members within the same household with proof of address (valid driver's license or state identification card required). Certificate must be presented to a franchised U.S. Chrysler Group LLC dealer. Only one (1) original certificate is valid; duplicates are not. Certificate must be redeemed at time of purchase or lease of eligible vehicle. Only one (1) original certificate may be redeemed per eligible customer per vehicle. Offer not redeemable on a purchase/lease made prior to receiving this certificate. Certificate is nonnegotiable and not redeemable for cash. See dealer for details.