(a) Subject to the provisions of 8 GCA Chapter 11, the Chief of Police shall promulgate rules in accordance with the Administrative Adjudication Law, establishing procedures: (1) limiting access of information to criminal justice agencies when the information is required to perform a duty or function expressly required by statute, and (2) providing for purging or expunging of inaccurate and incomplete arrest, charge and disposition information. (b) As needed to implement rules promulgated pursuant to Subsection (a) of this Section, the Chief of Police may adopt or issue supplemental orders and directives.