Exercise of option under section 115BAC requires Form 10-IEA and electronic verification for eligible taxpayers. The rule prescribes that the option under sub-section (6) of section 115BAC is to be exercised by specified persons in Form 10-IEA (or in the income tax return where applicable) by the due date under sub-section (1) of section 139; withdrawal is also in Form 10-IEA. Form 10-IEA must be filed electronically under digital signature or an electronic verification code, and the Principal Director General/Director General of Income-tax (Systems) shall specify procedure, data structure, standards for the electronic verification code, and security, archival and retrieval policies.