Rule 30 - Processing and Maintaining Bench Warrants(a) Procedure. Subject to the approval of the Chief Justice, the Office of Court Administration shall establish procedures for processing and maintaining bench warrants. (b) Form. Bench warrants shall be in the form prescribed in these rules 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 make every reasonable effort to serve bench warrants and to make periodic reports to the court concerning the status of unserved warrants. Rule 30 is the language of Criminal Practice Rule 10.