F-2.1, r. 6 - Regulation respecting the form or minimum content of various documents relative to municipal taxation
12.2. In addition to what is prescribed by section 180 of the Act, the notice of alteration provided for in that section shall specify the following particulars:
(1) the roll altered;
(2) the entries on the roll that are altered;
(3) the legislative provision under which the alteration was made;
(4) the date on which the alteration takes effect.