you need to purchase any food items from the restaurant and keep the receipt to participate in the Checkers and Rally's survey. Once you have the order receipt, Visit the official survey website at http://guestobsessed.com/. Enter the code on your receipt, and fill out the online questionnaire. You have to complete the survey to receive the coupon code. The coupon code will be sent to your email address, which you have to provide at the end of the survey. Ensure your personal details, including your email address, are correct before submitting the survey.