(a) Procedure. Subject to the approval of the Chief Justice, the Office of South Carolina Court Administration shall establish procedures for processing and maintaining bench warrants. (b) Form. Bench warrants shall be in the form prescribed by the Supreme Court and shall require either the signature of the trial judge, or the signature of the respective clerk of court at the direction of the trial judge. (c) Service. It is the continuing duty of the sheriff, and of other appropriate law enforcement agencies in the county, to promptly serve bench warrants and to make periodic reports to the court concerning the status of unserved warrants.