143.9. In respect of a person referred to in section 143.8, the years and parts of a year of service credited under this plan and the years and parts of a year of service for which pension credit was granted under this plan must be credited under the Government and Public Employees Retirement Plan or the Pension Plan of Management Personnel, in accordance with the first paragraph of section 143.5. However, these years and parts of a year of service are credited on the last date on which the person once again began contributing to the Government and Public Employees Retirement Plan or to the Pension Plan of Management Personnel.
Furthermore, the second and, where necessary, the third paragraph of section 143.5 apply.