Taco Bell is celebrating National Taco Day by giving out codes for FREE Taco Lover’s Passes today on their Twitter account. Each code will only be valid for a limited number of redemptions and will reach the limit almost instantly, so you've got to be fast. You’ll need to add 1 Taco Lover’s Pass to your Taco Bell app cart then apply the code at checkout to make it free. Follow @tacobell on Twitter, turn on notifications and watch for them to post a code. GOOD LUCK!