Login to your Citi Credit Card account and then navigate to the “Authorized Users” page.
https://online.citi.com/US/ag/authorizedUsers
Here you should be able to add a new authorized user using the information below:
FIRST NAME: Greenspace
LAST NAME: Bookkeeper
PHONE: 813-402-0607
DATE OF BIRTH: 12/11/1989
Make sure to set the permissions to be able to access the account online and then click “Add”.