An individual who, on or after the effective date of this subsection, is elected or appointed to serve in the Legislature, as a member of the board of Public Works, and those positions in the executive branch of state government which the Governor designates by executive order, shall, within six months of filling such position, attend a training course conducted by the Ethics Commission on the requirements of the Ethics Act. The Commission shall offer the training contemplated by this section once every four years and shall prescribe by legislative rule the nature, duration and content of the training and the manner in which the training will be conducted.