An irregularly published newsletter prepared by the Income Tax Rulings Directorate. Answer 1 Choose... A tax based on the value added to a product at each stage of production or distribution by a particular entity. Answer 2 Choose... Foregone tax revenues due to special exemptions, rate reductions, rebates, and credits that reduce the amount of tax that would otherwise be payable Answer 3 Choose... A term used in the Income Tax Act to refer to taxable entities Answer 4 Choose... A set of rules concerning administration and enforcement of the Income Tax Act