By services, 18 January, 2022 3 January 1989 Ruling HBI 1417-3 F - 1990 and 1991 Instalment Guides for Corporations
By services, 18 January, 2022 20 February 1991 Ruling 910153 F - Loss from Disposition to Controlled Corporation
By services, 18 January, 2022 11 August 1989 Ruling 89M08183 F - Source Deductions on Pension Payments to Indians