Address Update Login To proceed to the Address Update Form, please begin by entering your Claimant ID along with your last name and then click the PROCEED TO ADDRESS UPDATE FORM button. Enter your Claimant ID:*Enter your last name (if your last name contains an apostrophe, omit the apostrophe):*This field is hidden when viewing the formEntry Verification*This field is hidden when viewing the formIs Valid Entry* Yes Privacy Policy* I have reviewed and agree to Atticus Administration’s Privacy Policy. CAPTCHA