For the purpose of this Sweepstakes each day will begin at 12:00:00am (midnight) ET and end at 11:59:59pm ET on the same day (except for 01/03/11 which begins at 12:00:01 am ET). In the event of dispute, the name of the "authorized account holder" associated with any e-mail address will be deemed to be the entrant and must comply with these Official Rules. The authorized account holder is defined as the natural person who is assigned an e-mail address by an Internet access provider, an online service provider, or another organization that is responsible for assigning e-mail addresses or the domain associated with the submitted e-mail address. Proof (to Sponsor's satisfaction, in its sole discretion) of being the authorized account holder may be required by Sponsor. Limit of one (1) entry per person or e-mail address, per day.