From their website: "Official Mail-in Rebate Forms are available on www.reynoldsrecycled.com
from 4:22 am on 4/22/09, while supplies last. Each Official Mail-in Rebate Form downloaded on 4/22/09 will be marked with a unique rebate request code, which may only be submitted for redemption once. Do not share, copy, disseminate, or distribute the downloaded Official Mail-in Rebate form as only the first submitted unique rebate request code will be honored."
Up to $3.99. 4:22 a.m. is EDT. More info at website.
You can also register for an email reminder to download the form.