12. (1) The shopping centre property class applies within a single-tier or upper-tier municipality only if the council of the municipality has passed a by-law opting to have the shopping centre property class apply within the municipality.  O. Reg. 282/98, s. 12 (1); O. Reg. 198/04, s. 6; O. Reg. 384/18, s. 2 (1). (2) The shopping centre property class consists of the rentable area of a shopping centre that would otherwise be in the commercial property class that exceeds 25,000 square feet.  O. Reg. 282/98, s. 12 (2). (3) The following apply for the purposes of subsection (2): 1.  “Shopping centre” means, i.  a structure with at least three units that are used primarily to provide goods or services directly to the public and that have different occupants, or ii.  a structure used primarily to provide goods or services directly to the public if the structure is attached to a structure described in subparagraph i on another parcel of land. 2.  “Shopping centre” does not include any part of an office building within the meaning of subsection 11 (3).  O. Reg. 282/98, s. 12 (3). (4) If all of the land the shopping centre is part of is in the commercial property class and the shopping centre property class, the share of the assessed value that is attributable to land described in subsection (2) shall be determined in accordance with the following: Share of assessed value = Assessed value of land × [(Rentable area – 25,000)/Rentable area] where, “Share of assessed value” means the assessed value of the land in the shopping centre property class; “Assessed value of land” means the assessed value of the land; “Rentable area” means the rentable area, measured in square feet, of the shopping centre and other structures on the land. O. Reg. 282/98, s. 12 (4). (5) If part of the land the shopping centre is part of is in a class of real property other than the commercial property class or the shopping centre property class, the share of the assessed value that is attributable to land described in subsection (2) shall be determined in accordance with the following: Share of assessed value = Assessed value of land × [(Rentable area – 25,000)/Rentable area] where, “Share of assessed value” means the assessed value of the land in the shopping centre property class; “Assessed value of land” means the assessed value attributable to the part of the land that is in the commercial property class or that, but for this section, would otherwise be in the commercial property class; “Rentable area” means the rentable area, measured in square feet, of the parts of the shopping centre and other structures on the land that are in the commercial property class or that, but for this section, would otherwise be in the commercial property class. O. Reg. 282/98, s. 12 (5). (6) For the purposes of this section, the following shall be deemed not to be in the commercial property class: 1.  A hotel as defined in the Hotel Registration of Guests Act. 2.  An office building within the meaning of subsection 11 (3).  O. Reg. 282/98, s. 12 (6). (7) For the purposes of this section, rentable area shall be determined in accordance with the Standard Method for Measuring Floor Area in Office Buildings, ANSI/BOMA Z65.1-1996, approved by the American National Standards Institute, Inc. on June 7, 1996 and published by the Building Owners and Managers Association International.  O. Reg. 282/98, s. 12 (7). (8) Revoked: O. Reg. 384/18, s. 2 (2). Parking Lots and Vacant Land Property Class