Any employee of the Office of Inspector General, not otherwise required to obtain approval for outside employment under Sec. 8301.102, shall obtain written approval, in accordance with the procedures and standards set forth in paragraphs (c) and (d) of Sec. 8301.102, before engaging in any form of outside employment that involves the following:
(a) Law enforcement, investigation, security, firearms training, defensive tactics training, and protective services;
(b) Auditing, accounting, bookkeeping, tax preparation, and other services involving the analysis, use, or interpretation of financial records;
(c) The practice of law, whether compensated or not; or
(d) Employment involving personnel, procurement, budget, computer, or equal employment opportunity services.