Where do I enter a referral/bonus code? Solutions December 20, 2013 21:01 Updated Follow Bonus or referral codes can be input for extra points when you first register your CheckPoints account. Note that you cannot input a bonus code at any other time except when you first create your account. Related articles Where are my referral points? How can I delete my account? Will I lose my points or coins if I upgrade or re-install CheckPoints? Why is my account restricted? Lightning Points Comments 0 comments Article is closed for comments.