About 1/3rd of the way down the FAQ - I bolded the part you need:
To enter your Code online, log on to the Website (www.every2minutes.com), click on "Bank A Code" at the top-right of the screen and follow instructions on screen to enter the Code exactly as it appears and click "submit". You can enter up to 6 codes at once. Each time you enter a valid Code into your Account during the Promotion Period you will receive the amount of points associated with each Code and participating codes will automatically be credited with one (1) Sweeps Entry good for one (1) entry into one (1) sweepstakes drawing of your choice. Codes can be entered on the Website until 11:59 a.m. ET on January 17, 2014. Points can be used in online Auctions from November 5, 2013 until December 9, 2013 at 11: 59 p.m. ET and in the online marketplace from November 5, 2013 - January 17, 2014. Sweeps entries can be used in daily drawings from November 5, 2013 and ending at 11:59 p.m. ET on- December 9, 2013.
Yes for each account, there is a limit for both number of codes that can be redeemed and amount of points that can be banked. These limits are as follows: Code Limit -1,000 Codes per person/Account. Point Limit - 150,000 Points per person/Account