404.For the first application of section 194 of this Act, the first three-year period is computed from 1 January 2000 and applies to employees who were governed by Title IV.0.1 of the Act respecting the Government and Public Employees Retirement Plan (chapter R-10) on 31 December 1999 and who retired while they were governed by that Title or the Pension Plan of Management Personnel during the period beginning on 1 January 2000 and ending on 31 December 2002.