42.0.20. Where, in accordance with subsection 20 of section 141.02 of the Excise Tax Act (R.S.C. 1985, c. E-15), the Minister of National Revenue has authorized the use of particular methods in respect of the fiscal year of a person, the following rules apply:(1) to determine the operative extent and the procurative extent of each of the person’s business inputs, the particular methods must be used consistently by the person throughout the fiscal year and as specified in the application filed for that purpose with the Minister of National Revenue under subsection 18 of section 141.02 of the Excise Tax Act; and
(2) sections 42.0.12 to 42.0.17 do not apply for the fiscal year in respect of the person’s business inputs.
The authorization referred to in the first paragraph in respect of a fiscal year of the person ceases to have effect at the beginning of the fiscal year and is deemed never to have been granted for the purposes of this Title if, under subsection 23 of section 141.02 of the Excise Tax Act, the authorization ceases to have effect at the beginning of the fiscal year and is deemed never to have been granted for the purposes of Part IX of that Act.