The ACC shall: Review the findings of a law enforcement agency's investigation of external complaints, including complaints involving allegations of misconduct that occur on or off-duty and were not initiated by the involved citizen; and Determine if the police officer who is subject to investigation shall be: administratively charged; or not administratively charged. If the police officer is administratively charged, shall recommend discipline in accordance with the law enforcement agency's disciplinary matrix established in accordance with Md. Annotated Code Public Safety Section 3-105; If the police officer is not administratively charged, make a determination that: the allegations against the police officer are unfounded; the allegations against the police officer are not sustained; or the police officer is exonerated. Review any body camera footage that may be relevant to the matters covered in the complaint of misconduct; Authorize a police officer called to appear before an administrative charging committee to be accompanied by a representative; Issue a written opinion that describes in detail its findings, determinations, and recommendations; and forward the written opinion to the chief of the law enforcement agency, the police officer, and the complainant; Record, in writing, any failure of supervision that caused or contributed to a police officer's misconduct; Review and make a determination or ask for further review within 30 days after completion of the of the investigating unit's review; Maintain confidentiality relating to matters being considered by ACC until final disposition of the matter; Develop rules of procedure not inconsistent with State or County law; and Meet once per month or as needed.