PART 1Income Tax, Corporation Tax and Capital Gains Tax
CHAPTER 2Income tax: general
Trade profits
17Cash basis for small businesses
Schedule 4 contains provision enabling the profits of a trade, profession or vocation to be calculated on the cash basis.
18Deductions allowable at a fixed rate
Schedule 5 contains provision enabling persons carrying on a trade, profession or vocation to claim deductions for certain expenses at a fixed rate.