Certificate module

ACA Tax Fundamentals: the taxes examined and how to revise

Pro-formas are everything. Learn the standard computations, then drill them until the layout is muscle memory.

Updated 14 June 2026

Tax Fundamentals introduces the main UK taxes a chartered accountant meets and how they are computed. The exam is computational, built around standard pro-forma calculations, with a layer of administration and ethics on top.

What’s on the exam

  • Income tax computations: employment, savings and dividend income
  • National Insurance contributions
  • Capital gains tax basics
  • Corporation tax basics
  • Value added tax (VAT)
  • Tax administration: deadlines, payments and penalties

How to approach it

Learn the pro-formas. Each tax has a standard computation layout, and getting the structure into muscle memory means you can work quickly and not lose easy marks to a misplaced figure.

Practise full computations rather than reading worked examples, and pay attention to the administration detail — deadlines and penalties are easy marks that candidates routinely drop.

See the Certificate Level overview for how Tax Fundamentals fits with the other modules, or try some free practice questions.

Practise it, don’t just read it.

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