S.C. Code Ann. § 9-16-360
(B) A fiduciary or employee of a fiduciary shall:
(11) not make investments through or purchases from, or otherwise do any business with a former fiduciary member or employee or with a business that is owned or controlled by a former fiduciary member or employee, for a period of three years after the fiduciary member or employee leaves the fiduciary.
The provisions of this subsection do not apply to an employee or affiliate of a fiduciary described in Section 9-16-10(4)(a) and (b) if the commission elects specifically to waive this application by written contract with such a fiduciary. The commission shall disclose any such waivers in its quarterly report.