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Public trackerEvidence checked Jul 23, 2026 · Latest decision Jul 21, 2026Public incidents are risk signals, not usage-adjusted rates
Evidence-linked corpus record: this page is generated from the structured public record and has a publication-readiness score of 86/100. It passed the source, context, and standalone-summary checks used for public indexing; individual legal editorial review is not represented.
HMRC v. Gunnarson
Upper Tribunal (Tax and Chancery Chamber) · Jul 23, 2025
GBEditorial impact: lowpro sefake citationsmisrepresented authoritytax
Direct answer
What happened in this matter?
Fabricated: Case Law | Respondent’s skeleton cited a non-existent FTT authority said to show HMRC’s SEISS guidance was unclear; UT records HMRC checked and the case does not exist. Outcome: Warning.
- Why the court cared
- The record concerns whether authorities presented to the decision-maker existed and could be verified. The tracked outcome is Warning; the linked source controls the precise reasoning.
- Why it matters now
- Opposing counsel will independently verify skeleton citations; expect HMRC-level scrutiny in any tax appeal.
Why this matter is tracked
Fabricated: Case Law | Respondent’s skeleton cited a non-existent FTT authority said to show HMRC’s SEISS guidance was unclear; UT records HMRC checked and the case does not exist. Outcome: Warning.
Operational lesson
Opposing counsel will independently verify skeleton citations; expect HMRC-level scrutiny in any tax appeal.
Record details
CourtUpper Tribunal (Tax and Chancery Chamber)
Jurisdictioninternational
CircuitNot recorded
DateJul 23, 2025
UN
AI toolUnidentified
Party typePro Se Litigant
OutcomeWarning
Known amountNot recorded
Professional sanctionNo
Attribution boundary
What the record establishes about AI use
not established
The current record does not establish a specific AI tool. Do not infer AI use beyond the source.
Procedural posture
Warning
Correction behavior
Correction behavior is not separately verified in the current record.
Tracked discrepancy record
4 citation, quotation, or authority issues are recorded in the source dataset.
- Fabricated: Case Law | Respondent’s skeleton cited a non-existent FTT authority said to show HMRC’s SEISS guidance was unclear; UT records HMRC checked and the case does not exist.
- Fabricated: Case Law | Respondent’s skeleton cited a non-existent FTT decision claiming reliance on accountant’s advice and guidance was relevant; UT notes HMRC verified the case does not exist.
- Fabricated: Case Law | Respondent’s skeleton cited a non-existent FTT decision asserting a purposive approach allowed SEISS based on continuity of work; UT records the citation is fictitious.
- Misrepresented: Legal Norm | FTT applied an ‘honest belief’ eligibility test not found in the SEISS Directions or FA 2020; UT held this was a legal error.
Questions this record answers
- What happened in HMRC v. Gunnarson?
- Fabricated: Case Law | Respondent’s skeleton cited a non-existent FTT authority said to show HMRC’s SEISS guidance was unclear; UT records HMRC checked and the case does not exist. Outcome: Warning.
- Why does HMRC v. Gunnarson matter for legal AI risk?
- Opposing counsel will independently verify skeleton citations; expect HMRC-level scrutiny in any tax appeal.
- What does the public record establish about HMRC v. Gunnarson?
- The record summarizes the outcome described in the linked public source. The recorded document is hosted in the upstream publisher archive. This page is not a substitute for the complete docket, subsequent history, or jurisdiction-specific advice.
- Which source supports this HMRC v. Gunnarson summary?
- The recorded source is Damien Charlotin case archive. It is classified as publisher document archive; review the linked material and subsequent docket history before relying on this summary.
Related matters
Related by court, jurisdiction, tool, or classified failure pattern. Similarity does not imply the same facts or outcome.