75. Every existing high-capacity dam with characteristics that do not comply with the minimum safety standards under Division II of Chapter III on the date of coming into force of the Act must be brought into conformity with those standards
(1) when the dam undergoes a structural alteration that affects all parts of the structure or that, because of the scope of the work, is equivalent to reconstructing the dam; or
(2) not later than by the completion date stated in the outline of remedial measures and implementation schedule approved by the Minister under section 17 of the Act.
In addition, if structural alterations other than those referred to in subparagraph 1 are made to a dam before either of those times, the dam must be brought into conformity with the various safety standards respecting the work, the parts of the dam or the characteristics of the dam being altered or affected by the alterations to the structure of the dam.
O.C. 300-2002, s. 75; O.C. 17-2005, s. 15.