From the GA Lottery Website :
2. To Enter: Between February 1, 2007 and 5:00pm EST on the Thursday immediately following the announced Official End of Game date of the Georgia's $500 Million Club instant ticket, entrants must mail a non-winning Georgia's $500 Million Club instant ticket with completed player information on the back of the ticket, including player name, address, and telephone number (optional), together with First-Class postage. All entries must be a completed non-winning Georgia's $500 Million Club instant ticket. No Entries Mailed In An Envelope Will Be Accepted.
All entries received become the sole property of the Georgia Lottery and will not be returned. Entries must be complete and legible to be eligible. The Georgia Lottery is not responsible for lost, late, misdirected, postage due, illegible, incomplete or altered entries. No mechanically reproduced entries permitted. Any Georgia Lottery tickets mechanically reproduced, altered, mutilated, tampered with in any way, containing any printing or other errors, sample tickets marked "void" or not received through the manner specified above are null and void.
3. Weekly Drawings: Weekly drawings of all eligible entries received will be held each Friday, commencing on Friday, February 16, 2007 and will continue until the Friday immediately following the announced Official End of Game date for the Georgia's $500 Million Club instant ticket. All entries must be received by 5:00pm EST on the Thursday immediately preceding each Friday drawing date to be eligible for that Friday's drawing. New entries are required for each weekly drawing. Entries will not be rolled over week to week and will only be eligible for the week they are received.
4. Prizes: Each weekly winner will (1) instantly win $5,000 cash ("Weekly Prize"); and, (2) immediately become a finalist in the Extra Chance $10 Million Grand Prize Drawing ("Grand Prize Event") to be held on a date yet to be announced following the announced Official End of Game date for the Georgia's $500 Million Club instant ticket. Approximate Retail Value of each Weekly Prize is $5,000. The Grand Prize ("Grand Prize") consists of $10,000,000 payable over twenty (20) equal annual installments of $500,000 each without interest (approximate Retail Value of Grand Prize is $10,000,000). If, after reasonable attempts to contact a Weekly Prize winner by the Georgia Lottery Corporation, a Weekly Prize winner does not file the necessary claim forms with the Georgia Lottery Corporation within thirty (30) days of the Weekly Prize drawing, that Weekly Prize will be deemed to be an unclaimed prize. In such event of an unclaimed Weekly Prize, the Weekly Prize winner will be ineligible to collect the Weekly Prize of $5,000 cash and will also be ineligible to be included in the Grand Prize Event. Entrants are only eligible to win one (1) Weekly Prize.