5. In the case of autoroute police officers, where the number of years or parts of a year of service credited under the Régime de retraite des membres de la Sûreté du Québec is less than the number of years or parts of a year of service recognized under the Civil Service Superannuation Plan or the Government and Public Employees Retirement Plan and where a fraction of the number of those years is comprised in the period of the marriage or civil union, the number of years or parts of a year of service credited and comprised in the period of the marriage or civil union is equal to the number represented by the letter “A” in the following formula:“B” represents the number of years or parts of a year of service credited under the Régime de retraite des membres de la Sûreté du Québec with respect to years served as an autoroute police officer;
“C” represents the number of years or parts of a year of service recognized under the initial pension plan for the period of the marriage or civil union; and
“D” represents the number of years or parts of a year of service recognized under the initial pension plan.