1. For the purposes of this Regulation, the value of an immovable is established according to the following rules.
In the case of an immovable which is a unit of assessment entered on the property assessment roll of a municipality or is part of such a unit the value of which is entered separately on the roll, the value of the immovable is the product obtained by multiplying the value entered on the roll for the immovable by the factor established under section 264 of the Act respecting municipal taxation (chapter F-2.1).
In the case of an immovable which is not a unit of assessment entered on the property assessment roll of a municipality or is not part of such a unit the value of which is entered separately on the roll, the value of the immovable is established by a chartered appraiser.