William Brian Langthorne v Commissioners for Her Majesty's Revenue and Customs
Decision date: 14 April 2010
Neutral citation: [2010] UKFTT 171 (TC)
Overall AI summary confidence: high
Short overview
This short overview is intended to summarise the case, issues and outcome so far as they are supported by the judgment.
AI confidence in this short overview: high
Mr Langthorne appealed HMRC's decision that his failure to pay Class 3 National Insurance contributions for 1955–1967 was caused by ignorance or error due to lack of due care and diligence. The Tribunal found he knew of the National Insurance scheme before going abroad, did not tell the DHSS in 1967 about his 12 years overseas, and therefore failed to exercise due care and diligence. The appeal was dismissed.
Ratio decidendi
This summary is intended to identify the ratio decidendi, meaning the legal reasons for deciding and the binding part of the decision.
AI confidence in this ratio decidendi summary: high
A person who is aware of the National Insurance scheme must make appropriate enquiries and follow them up; failing to disclose relevant facts to the authorities (such as a prolonged period abroad) can demonstrate a lack of due care and diligence. Assessment of due care depends on all relevant circumstances and must be made case by case.
Obiter dicta
This summary is intended to identify obiter dicta, meaning observations made by the way that were not necessary to deciding the case and are not binding.
AI confidence in this obiter dicta summary: medium
The judgment endorses a nuanced, fact-specific approach (as in Kearney) to what constitutes due care and diligence, with potential relevant factors including age, disability, source of knowledge, and practical means of enquiry available at the time.