During the Promotion Period, whichever comes first, look for Codes under specially-marked bottle caps of 20 oz and 1 liter Pepsi, Diet Pepsi, Caffeine Free Pepsi, Caffeine Free Diet Pepsi, Pepsi One, Wild Cherry Pepsi, Wild Cherry Diet Pepsi, Pepsi Max, Diet Pepsi Lime, Pepsi Lime, Diet Pepsi Lemon, Diet Sierra Mist and, in certain participating markets, on specially-marked Pepsi fountain cups available at participating locations during the Promotion Period or until supplies of specially-marked bottle caps and fountain cups are exhausted, whichever occurs first. Not all brands and package sizes may participate or be available in all areas.