A nonresident of this state may sue out an attachment against a nonresident for an existing debt or ascertained liability; but the plaintiff, his agent or attorney is required, in addition to the oath necessary in other cases, to swear that, according to the best of his knowledge, information and belief, the defendant has not sufficient property within the state of his residence wherefrom to satisfy the debt and must also give bond as in other cases, with surety resident in this state.
Ala. Code § 6-6-48 (1975)