273. Where a public service body has filed an election under section 272 that takes effect on a particular day in respect of an immovable described in subparagraph 1 or 2 of the second paragraph of the said section and the body does not acquire the immovable on that day or become a registrant on that day, the body is deemed(1) to have made, immediately before the particular day, a taxable supply of the immovable by way of sale and to have collected, on the particular day, tax in respect of the supply equal to the basic tax content of the immovable on the particular day; and
(2) to have received, on the particular day, a taxable supply of the immovable by way of sale and to have paid, on the particular day, tax in respect of the supply equal to the amount determined under paragraph 1.