j. Signatures. Digital signatures are the standard for evaluation reports; however, manual, handwritten, ink signatures are authorized under extreme circumstances. Digital signatures require the use of a CAC; digitally signed evaluation reports will be submitted to HQDA using the "My Forms" Portal on AKO. When digitally signing an evaluation report is not possible, an ink signature may be entered on a completed evaluation report (printed with full nine-digit SSNs for the rated Soldier and senior rater as a minimum) and mailed to USAHRC (AHRC–PDV–ER) (address in app F). As an exception, units deployed to a contingency theater of operations without the use of CAC or the capability to submit reports using the "My Forms" Portal on AKO are authorized to submit scanned copies of ink-signed reports from the deployed location to HQDA under the Evaluations-by-E-mail Attachment Program.