3. A police officer who, on 12 July 2006 is exercising an investigative function or is on an eligibility list for such employment is not required to successfully complete the training referred to in sections 1 and 2 so long as the police officer remains employed by the Sûreté du Québec, the same municipal police force or the police force that succeeds the municipal police force following the creation of a board or an amalgamation of municipalities, or following integration of the police force into the Sûreté du Québec.