Every application for authority for such issue or assumption shall be made in such form and contain such matters as the commission may prescribe. Every such application and every certificate of notification provided for in this article shall be made under oath, signed and filed on behalf of the utility by its president, a vice-president, auditor, comptroller or other executive officer having knowledge of the matters therein set forth and duly designated for that purpose by the utility.
Ala. Code § 37-4-8 (1975)