Coupons valid for 7 days from download or until 1 million free taco coupons are redeemed (including online and print coupons), whichever occurs first. Notice will be posted at Coupon - Taco Bell Drive-Thru Diet if 1 million coupons are redeemed prior to the expiration date and any unredeemed coupons will be void. Free tacos are subject to availability; no substitutions.

Coupon - Taco Bell Drive-Thru Diet