By services, 22 July, 2022 22 December 1989 Income Tax Severed Letter AC1904 - 3-2484 Advance Income Tax Ruling
By services, 22 July, 2022 5 July 1990 Income Tax Severed Letter AC74701 - Fellowship Awards to Non-residents
By services, 22 July, 2022 27 January 1989 Income Tax Severed Letter 5-7363 - [Mine reclamation costs]
By services, 22 July, 2022 15 February 1990 Income Tax Severed Letter 5-9456 - [Subsection 118.1(6) of the Income Tax Act (the "Act")]
