2. The years and parts of a year of service of an employee who became covered by the Pension Plan of Peace Officers in Correctional Services on the date on which the employee’s employee class became covered by the Plan, and that were credited to the employee on that date under the Government and Public Employees Retirement Plan, the Teachers Pension Plan or the Civil Service Superannuation Plan, must be credited, if there has been no refund of contributions, under the Pension Plan of Peace Officers in Correctional Services on that same date, namely(1) 1 January 1992 if, on that date and the preceding day, the employee was, at the Institut Philippe-Pinel, in an employee class listed in the Schedule to the Regulation respecting the designation of classes or subclasses of employees and the determination of special provisions applicable to employees of the Institut Pinel (O.C. 1443-92, 92-09-30) as the Schedule read on 1 January 1992;
(2) 1 April 1993 if, on that date and the preceding day, the employee was, at the Institut Philippe-Pinel, in the `professional social worker´ employee class or the class listed in subparagraph 0.1 of Division II of the Schedule to this Regulation;
(3) 15 August 1993 if, on that date and the preceding day, the employee was, at the Institut Philippe-Pinel, in the employee class listed in paragraph 6 of Division II of that Schedule; or
(4) 1 January 2002 if, on that date and the preceding day, the employee was, at the Institut Philippe-Pinel, in the employee class listed in paragraph 3 of Division III of that Schedule.