Taxation logo taxation mission text

Since 1927 the leading authority on tax law, practice and administration

HMRC’s self-assessment tax calculations

03 October 2018 / Tim Good
Issue: 4666 / Categories: Comment & Analysis
istock-976294282_fmt_0

That knowing look

KEY POINTS

  • HMRC provides its Excel calculations to software developers
  • The department publishes a list of exclusions which includes scenarios when the tax calculation is incorrect.
  • The 2017-18 exclusions list has already been amended several times.
  • A correcting program will in due course identify returns with an incorrect calculation and lead to demands.
  • There are ‘unknown unknown’ scenarios that HMRC have not yet included as exclusions.
  • There is one exclusion that has been included in the list incorrectly.

Donald Rumsfeld famously said: ‘There are known knowns. These are things we know that we know. There are known unknowns. That is to say there are things that we know we don’t know. But there are also unknown unknowns. There are things we don’t know we don’t know.’...

Only subscribers may read the full article

Alternatively, you can register free of charge to read a limited amount of subscriber content per month.
Once you have registered, you will receive an email directing you back to read this item in full.
FIVE WAYS TO MAKE ACCOUNTS PRODUCTION AND TAX EASIER.
Download the exclusive Xero
free report here.

New queries
Please email any questions you might have
to: taxation@lexisnexis.co.uk.

back to top icon