Tennessee Code Title 40. Criminal Procedure § 40-10-106

(a) It is the duty of such magistrate to render to the grand jury of the county on the first day of each jury session of the court, a statement in writing and under oath, of the name of each defendant charged with a misdemeanor committed to the county jail by the magistrate, the date of conviction, and whether or not the magistrate gave the defendant the information required by § 40-10-105.

(b) It is the duty of the sheriff to render to the grand jury of the sheriff's county, on the first day of each jury session of the court, a statement in writing and under oath, of the name of every person charged with a misdemeanor coming into the sheriff's custody since the sheriff's last preceding statement, when the sheriff received the defendant, and when the sheriff carried the defendant before the judge of the court of general sessions, as provided in § 40-10-105.

(c) It is the duty of the judge of the court of general sessions to render to the grand jury of the county on the first day of each jury session of the circuit or criminal court, a statement in writing and under oath, of the name of each defendant brought before the judge by the sheriff under § 40-10-105, of the date when the defendant was so brought before the judge, and whether or not the judge gave the defendant the information required by § 40-10-105.