Section 166 — Excise Tax Act: Supply by small supplier not a registrant

If a person makes a taxable supply and the consideration or a part of it for the supply becomes due, or is paid before it becomes due, at a time when the person is a small supplier who is not a registrant, that consideration or part, as the case may be, shall not be included in calculating the tax payable in respect of the supply except if the supply is a supply by way of sale of real property; a supply by way of sale of personal property by a municipality that is capital property of the municipality; or a supply by way of sale of designated municipal property of a person designated to be a municipality for the purposes of section 259 that is capital property of the person.