1) Background Investigation. 2) Letter from company authorizing the change in the Responsible Individual.To submit your request electronically , please use this web form. Please fill in all fields and follow the directions closely. Form to make updates to the licensed business. Action is required ONLY if you have any of the following: Several changes can be made within AZTaxes.gov. Phoenix Media Investment (Holdings) (HK:2008) has released an update. Learn how to amend your Arizona LLC articles yourself with our guide. By signing the filled-out form, you: 1. Certify that the TIN you are giving is correct (or you are waiting for a number to be issued),. 2.