174. The assessor shall alter the real estate assessment roll(1) to make it consistent with his proposal for a correction, in the case provided for by section 155;
(2) to replace an entry quashed or set aside, to the extent that the court has not prescribed the content of the new entry and has not quashed the entire roll or set the whole of it aside;
(3) to give effect to a change of owner of an immovable;
(4) to enter thereon an immovable unduly omitted or strike out a property unduly entered thereon;
(5) to indicate that an immovable is not taxable or to indicate what part of its value is not taxable, if that indication has been unduly omitted, or to strike it out if it has been unduly entered;
(6) to indicate a decrease in the value of a unit of assessment which results from a fire in or the destruction, demolition or disappearance of all or part of an immovable comprised in the unit;
(7) to indicate an increase in the value of a unit of assessment which results from the realization of a condition provided for in section 32 or from work performed on a building already comprised in the unit, where such work is substantially completed or where two years have elapsed from the beginning of the work, whichever event occurs first;
(8) to take account of the fact that a property entered on the roll has ceased to be an immovable that is to be entered thereon, or that a property not entered on the roll has become such an immovable;
(9) to take account of the fact that an immovable exempt from tax has ceased to be exempt, or vice versa; that an immovable contemplated in section 255 has ceased to be contemplated, or vice versa; that an immovable contemplated in any paragraph of that section becomes contemplated in one of the other paragraphs of the same section;
(10) to take account of a change of occupant where this act provides that the occupant must be entered on the roll;
(11) to take account of the fact that a portion of the value of a unit of assessment has become non taxable or has ceased to be non taxable, or that the non taxable portion of the value of a unit of assessment has increased or decreased;
(12) to give effect to one of the following cadastral operations: a division, a subdivision, a new subdivision, a redivision, a cancellation, a correction, an addition or a replacement of lot numbers effected under the Cadastre Act (chapter C-1) or under article 2174, 2174a, 2174b or 2175 of the Civil Code of Lower Canada;
(12.1) to reflect a change in situation that, under section 34, warrants the combining of several units of assessment into a single unit, the division of a unit of assessment into two or more units, the adding or elimination of a whole unit, the subtraction of a part of a unit or the addition of one part of a unit to another unit;
(13) to make the necessary changes as regards the information required for the purposes of the surtax on serviced or unserviced vacant land;
(13.1) to take account of the fact that a unit of assessment becomes or ceases to be subject to section 57.1, to take account of the fact that a unit becomes or ceases to be subject to the third paragraph of section 244.13 or 244.25, to take account of the fact that a unit becomes or ceases to be subject to a regulation made under paragraph 10 of section 263 or changes category from among the categories defined by the regulation or, with respect to section 57.1, to insert an indication unduly omitted or to strike out an indication unduly entered;
(13.2) to take account of the fact that a unit of assessment or a part thereof has become or has ceased to be a unit or separate premises to be entered on the schedule provided for in section 69, to add to the schedule an entry erroneously omitted or strike out from the schedule an entry erroneously made and to update information which relates to the units and separate premises entered on the schedule. However, percentages of value are to be altered only as a result of an alteration made under another paragraph of this section or under section 182, as a result of the addition or withdrawal of separate premises or on grounds set out in another paragraph of this section;
(14) to take account of the fact that a unit of assessment becomes or ceases to be an agricultural operation registered in accordance with a regulation adopted pursuant to section 36.15 of the Act respecting the Ministère de l’Agriculture, des Pêcheries et de l’Alimentation (chapter M-14), to take account of the fact that such a unit becomes or ceases to be included in an agricultural zone established under the Act to preserve agricultural land (chapter P-41.1), or, with respect to section 56, to add an entry that was unduly omitted or strike out an entry that was unduly included.
(15) to make the necessary changes in the information required for the purposes of school taxes;
(16) to correct a clerical error, a miscalculation or any other material error;
(17) to act upon the recognition granted by the Commission pursuant to paragraph 10 of section 204 or pursuant to section 208.1, or upon the revocation of such recognition;
(18) to indicate an increase or a decrease in the value of a unit of assessment due to the fact that waterworks or sewer services become or cease to be available to an immovable comprised in the unit;
(19) to reflect a decrease or increase in the value of a unit of assessment resulting from the imposition or removal, with respect to an immovable forming part of the unit, of a legal restriction on the possible uses of the immovable;
(20) to add, strike out or alter, according to the circumstances, a particular required by the regulation made under paragraph 1 of section 263, to add a particular that commences to be required thereby or to strike out a particular that has ceased to be so required.