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18 September 2026 / Ian Smith
Issue: 8177 / Categories: Features , Employment , Tribunals , Limitation , Whistleblowing , Discrimination
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Employment law brief: 18 September 2026

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What’s in a name? An ET1 by any other name would smell as sweet, writes Ian Smith in this month’s brief, which also tackles part-time workers, whistleblowing & time extensions

  • The Supreme Court has confirmed that less favourable treatment of part-time workers need only be a significant or effective cause, not the sole cause.
  • Recent Employment Appeal Tribunal rulings underline the need to assess interim relief and time-limit extensions on all relevant factors, while allowing a practical approach to name changes between early conciliation and an ET1.

The main employment law news of the last month was that the Supreme Court handed down its decision on the causation requirement in the law on part-time workers, after several years of inconsistent case law which had been bedevilled by arguments over judicial comity and whether an English court or tribunal must apply a Scottish appellate level decision. The judgment addresses that constitutional point too.

The second case considered makes important points on the application of interim relief as a remedy. The judgment cites recent presidential guidance

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MOVERS & SHAKERS

Anthony Collins—20 promotions

Anthony Collins—20 promotions

20 promotions mark major people investment at national law firm, Anthony Collins

Sidley—Elaine Whiteford

Sidley—Elaine Whiteford

Sidley adds competition litigator Elaine Whiteford in London

Charles Russell Speechlys—Claudina D’Costa

Charles Russell Speechlys—Claudina D’Costa

Charles Russell Speechlys welcomes Claudina D’Costa as Director of Client Development Marketing

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