158. Storage of petroleum products inside a building must meet,(1) in the case of a container, the requirements of section 4.2 of the National Fire Prevention Code of Canada - 2005, published by the Canadian Commission on Building and Fire Codes of the National Research Council of Canada;
(2) in the case of an aboveground tank not referred to in subparagraph 3, the requirements of section 4.3 of the National Fire Prevention Code of Canada, subject to the provisions of this Chapter; and
(3) in the case of a container in a motor fuel dispensing outlet, the requirements of section 4.6 of the National Fire Prevention Code of Canada.
Despite subparagraphs 1 and 2 of the first paragraph, storage of a petroleum product in a tank inside a building to supply a generator engine or a fuel oil system must meet the requirements of CAN/CSA Standard B139-04 Installation Code for Oil-Burning Equipment, published by the Canadian Standards Association.