The UK’s Supreme Court has ruled that “man”, “woman” and “sex” in the Equality Act 2010 refer to sex, not self-ID or paperwork (gender-recognition certificates). This agreed with our legal interpretation. We have published new guidance and are in the process of updating our publications to reflect the judgment. We are also working to provide answers to the questions we're hearing from supporters and the media. We will publish these as soon as possible.

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For journalists

Sex Matters’ Media handbook on sex and gender for journalists and editors explains when and why it is right to talk about people’s sex. It was updated in August 2023 to take account of IPSO’s revised guidance and relevant recent cases.