41.3. To the extent that the cost to a person of purchasing a property or service or an amount payable by a person for the purpose of leasing property is taken into account in determining an amount required under any of sections 36 to 47.17 to be included in computing the income of an individual for a taxation year, that cost or that amount payable, as the case may be, shall include any tax that was payable by the person in respect of the property or service or that would have been so payable if the person were not exempt from the payment of that tax because of the nature of the person or the use to which the property or service is to be put.
1991, c. 25, s. 8; 1994, c. 22, s. 63; 1995, c. 49, s. 26; 1997, c. 31, s. 9.