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Education Minister Paul Givan has asked officials to ensure that his department is complying with the Supreme Court's ruling that a woman is defined by biological sex.
The ruling has major implications for single-sex spaces in Great Britain, such as female changing rooms and toilets.
The court had been asked to decide on the proper interpretation of the 2010 Equality Act, which applies across Great Britain but not in Northern Ireland.
Northern Ireland's Equality Commission has said it aims to publish new formal guidance in response to the ruling next month.