While you're not responsible for paying the balance — even for your own spending — being added as an authorized user adds a credit account to your credit history. (johnnyjet.com)
He got his start building credit early in high school when his parents put him on as an authorized user on their credit card. (iwillteachyoutoberich.com)
It was common for parents to add their children to their credit card accounts as authorized users in order to help them establish credit histories. (starloanservices.com)