188. For the purposes of this division, the actuarial values established under sections 184, 185 and 187 shall be adjusted, in the manner prescribed by regulation, to take account of the actuarial value of the additional benefits of each employee who, at the time the employee ceased to participate, was governed by this plan or by Title IV.0.1 of the Act respecting the Government and Public Employees Retirement Plan (chapter R-10) but was not governed by the plan or by those provisions at the time the benefits referred to in sections 184 and 185 were vested, or who had ceased to be governed by this plan or by the said Title IV.0.1 but was governed by the plan or by those provisions at the time such benefits were vested. The regulation may prescribe rules and procedures for the computation and adjustment of the actuarial values and determine the cases, conditions and procedure applicable to the transfer of funds relating to those adjustments.