7. Requirements of the Potential Winners: Except where prohibited, the potential winners may be required to complete and return an affidavit of eligibility and liability/publicity release (the "Affidavit/Release") within five (5) days of being notified. If a potential winner fails to sign and return the Affidavit/Release within the required time period, an alternate entrant may be selected in his/her place in a random drawing of all entries received. Acceptance of a prize constitutes unconditionally and perpetual consent to use winner's name, photo and likeness for editorial, advertising and publicity purposes without additional compensation, except where prohibited by law. In the event the potential winner of any prize is a Canadian resident, he/she may be required by Canadian law to correctly answer a time-limited mathematical question to be administered by email in order to receive the prize