166. A declaration made by the Minister under section 165 takes effect on the date of publication of a notice to that effect in the Gazette officielle du Québec or on any later date given in the notice. The registrar must then make a note on the declaration in the cultural heritage register.
The conservation plan established by the Minister continues to apply and the municipality must take it into account in exercising the powers given it under sections 138 to 140, subparagraph 2 of the first paragraph and the second and third paragraphs of section 141 in respect of the site classified as or declared a heritage site.