Ala. Code § 6-4-21: Where No Other Provision for Service of Nonresident Minors or Insane Persons.

Should there be no other provision by law or rule for service upon nonresident minors or insane persons and proof is made before the clerk, register, or judge of the court in which the proceeding is pending, he may direct in writing the mode of service or may appoint in writing a guardian ad litem for such person without service.