A subpoena issued by a clerk of court under Section 12-21-402 must be served in compliance with Rule 45 of the Alabama Rules of Civil Procedure. (Act 2012-518, p. 1538, §4.)
Service of Subpoena
Ala. Code § 12-21-403, under Alabama Uniform Interstate Dispositions and Discovery Act.
Ala. Code § 12-21-403