The Commissioner of Internal Revenue will not be given any credit. of the taxpayer with his written consent. (1 pt) a. True b. False 2. Since documentary stamp tax is not a tax on income, an exemption from income tax does not include documentary stamp tax.. (1pt. a. True b. False 3. If one of the parties is exempted from documentary stamp tax, the instrument executed by the parties is deemed exempted from documentary stamp tax. (1 pt.) a. True b. False 4. VAT retail taxpayers selling cigarettes and alcoholic beverages are subject to VAT and excise taxes. (1pt ) a. True b. False Those who cannot claim input taxes can deduct those input taxes as part of costs or expenses. (1 pt.) a. True b. False