Skip to main content
Lesson 15 A6bB5

Compliance checks

In this lesson, you'll learn what a compliance check is, how HMRC initiates one, and how it differs from a discovery assessment—all essential knowledge for the Taxation papers.

This lesson is part of a paid course

Buy the course to unlock every video lesson and the AI Tutor, plus mock exams with feedback on CIMA courses.

Already bought? Sign in

Ask the AI tutor anything about this lesson

It knows every lesson in the course — explanations, clarifications, practice questions.

Summarise lesson Key concepts Practice questions

In this lesson

  1. 0:00 Compliance checks explained
  2. 0:18 Notice requirements and timelines
  3. 0:44 Late submission notice rules
  4. 1:12 Compliance check outcomes
  5. 1:47 Discovery assessments overview
  6. 2:15 Time limits for assessments
  7. 2:50 Key differences summarised

About this lesson

A compliance check is HMRC's way of reviewing your self-assessment tax return to verify everything is correct. It's not necessarily a sign of wrongdoing; it could be random or triggered by something that looks unusual. HMRC must give written notice by the first anniversary of your submission date, or by the quarter day following that anniversary if your return was late. At the end of the check, you'll be informed of any amendments needed, potential penalties, additional tax, or interest. If you disagree with any changes, you have the right to appeal. A discovery assessment is different. It means HMRC has found new information or spotted something incomplete or wrong in your return, and believes you've underpaid tax. The standard time limit for raising a discovery assessment is four years from the end of the tax year, but this extends to six years for careless errors and up to twenty years for deliberate understatement or fraud. Understanding this distinction is crucial for your tax compliance responsibilities and exam success.

Duration: 3m

Transcript

Every lesson comes with a full searchable transcript - included with the course.

Get the Advanced Taxation course

All 365 video lessons, an AI Tutor in every lesson and lifetime access.

Already bought? Sign in