Code of Alabama
Chapter 23 - Constables.
Section 36-23-8 - Service of Executions and Attachments When Office of Constable Vacant, Etc.

When the office of constable is vacant or the constable is interested in an action, or in case of emergency, the execution or attachment must be executed by any constable of the county in whose hands the process may be placed or may be executed by the sheriff as in other cases.