If you cannot send the desired credential code to Secura, you can still submit an application and it will be reviewed by the .aero Office in SITA manually. You need to send a fax on a company letterhead to +41 22 747 6333 with a brief explanation of why your entity belongs to the Registrant Group selected. You may enclose additional documents which you believe would be useful to verify your application. Your will receive a response within a week.