By services, 22 July, 2022 28 September 1989 Income Tax Severed Letter AC58253 - Qualified SR & ED Expenditures - Manufacturing Plant Converted into Laboratory
By services, 22 July, 2022 20 December 1988 Income Tax Severed Letter 5-6927 - [Paragraph 251(6)(b) of the Income Tax Act]
By services, 22 July, 2022 16 November 1989 Income Tax Severed Letter AC74238 - Child Tax Credit and Computation of Family Net Income
By services, 22 July, 2022 24 May 1990 Income Tax Severed Letter ACC8940 - Information Circular 71-14R4
