Storage Tank Systems for Petroleum Products and Allied Petroleum Products Regulations

5 The owner or operator of a storage tank system that has tanks designed to be installed aboveground that were installed before the coming into force of these Regulations below grade or encased within a filled secondary containment must, within four years after the day on which these Regulations come into force, permanently withdraw that system from service in accordance with section 44 and remove it in accordance with section 45.