16. It is prohibited to store Class 1, Class 2 or Class 3 pesticides within a flood area having a flood recurrence interval of 0 to 20 years that is mapped or identified in a land use planning and development plan or a metropolitan land use and development plan or in a municipal zoning by-law.
That prohibition does not apply to operators of a storage site holding a certificate of conformity issued by CropLife Canada before 3 April 2003; the authorized storage site is restricted, in that case, to the storage site certified by CropLife Canada and existing on that date.