67.2. The years and parts of a year of service that were recognized solely for purposes of entitlement to a pension under the Teachers Pension Plan and the Pension Plan of Peace Officers in Penal Institutions are added, for purposes of entitlement to any pension, to the years of service credited pursuant to section 58. The same rule applies to the years and parts of a year of service not credited under the plan provided for in this division by reason of the application of section 92 and to the years and parts of a year recognized solely for purposes of entitlement to a pension under an agreement of transferability respecting the plan provided for in this division and entered into pursuant to section 158 of the Act respecting the Government and Public Employees Retirement Plan (chapter R-10) if they have not otherwise been credited pursuant to section 93 or, as the case may be, pursuant to the agreement concerned.